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Morro Bay, California
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Morro Bay (Morro, Spanish for "Hill")[9][10][11] is a seaside city in San Luis Obispo County, California, United States. Located on the Central Coast of California, the city's population was 10,757 as of the 2020 census, up from 10,234 at the 2010 census. The town overlooks Morro Bay, a natural embayment with an all-weather, small-craft, commercial and recreational harbor.
Key Information
History
[edit]
The prehistory of Morro Bay relates to Chumash settlement, particularly near the mouth of Morro Creek. At least as early as the Millingstone Horizon thousands of years before present, an extensive settlement existed along the banks and terraces above Morro Creek.[12] A tribal site on present-day Morro Bay was named tsɨtqawɨ, Obispeño for "Place of the Dogs".[13]
The first recorded Filipinos to visit America arrived at Morro Bay on October 18, 1587, from the Spanish galleon Nuestra Señora de la Esperanza;[14] one of whom was killed by local Native Americans while scouting ahead.[15]
The first European land exploration of Alta California, the Spanish Portolá expedition, came down Los Osos Valley and camped near today's Morro Bay on September 8, 1769. Franciscan missionary and expedition member Juan Crespí noted in his diary, "we saw a great rock in the form of a round morro".[16]
While governed by Mexico, large land grants split the surrounding area into cattle and dairy ranchos, which needed shipping to bring in dry goods and to carry their crops, animals, and other farm products to cities.
The town of Morro Bay was founded by Franklin Riley in 1870 as a port for the export of dairy and ranch products. He was instrumental in the building of a wharf, which has now become the Embarcadero.[17] During the 1870s, schooners could often be seen at the Embarcadero, picking up wool, potatoes, barley, and dairy products.[citation needed]
A subspecies of butterfly, the "Morro Bay Blue" or " Morro Blue" (Icaricia icarioides moroensis) was first found at Morro Beach by entomologist Robert F. Sternitzky, in June 1929.[18]
During World War II, a U.S. Navy base, Amphibious Training Base Morro Bay, was on the north side of Morro Rock, where sailors were trained to operate LCVPs. The breakwater on the southwest side of the rock was built in 1944–45 to protect the LCVPs entering and leaving the harbor. Soldiers from Camp San Luis Obispo came to Morro Bay and practice loading into the LCVPs. Many of those men were at Normandy on D-Day.
In the 1940s, Morro Bay developed an abalone-fishing industry; it peaked in 1957; stocks of abalone had declined significantly due to overfishing.[19] Halibut, sole, rockfish, albacore, and many other species are still caught by both commercial and sport vessels. In addition, oysters are grown by aquaculture in the shallow back bay.
In the 1950s, the Pacific Gas and Electric Company built the Morro Bay Power Plant, which created jobs and increased the tax base and led to the city acquiring the nickname "Three Stacks and a Rock".[20] The city incorporated in 1964.[2] The plant closed in February 2014.[21]
Geography
[edit]
Morro Bay is the name of the large estuary situated along the northern shores of the bay itself. The larger bay on which the local area lies is Estero Bay, which also encompasses the communities of Cayucos and Los Osos. The city of Morro Bay is 20 km (12 mi) northwest of San Luis Obispo and is located on Highway 1. Los Osos Creek discharges into Morro Bay.
According to the United States Census Bureau, the city has a total area of 10.3 square miles (26.7 km2), of which 5.0 square miles (12.9 km2) (48.41%) are covered by water.[6]
Morro Rock
[edit]Morro Rock is a 576-ft-high (176 m) volcanic plug[22] located at the entrance to the harbor. The descriptive term morro is common to the Spanish, Portuguese, and Italian languages, and the word is part of many place names where a distinctive and prominent hill-shaped rock formation exists.[23] Originally, it was surrounded by water, but the northern channel was filled in to make the harbor.[24] It was quarried from 1889 to 1969,[25] and in 1968, it was designated a Historical Landmark.[26]
The area around the base of Morro Rock is open to visitors, with parking lots and paths. Climbing the rock is prohibited[27][28] due to risk of injury, and because it is a peregrine falcon reserve.[22][29] Morro Rock is one in a series of similar plugs that stretch in a line inland called the Nine Sisters.[citation needed]
Morro Bay Harbor
[edit]
Morro Bay is a natural embayment with an artificial harbor constructed by the U.S. Army Corps of Engineers. It is the only all-weather, small-craft, commercial and recreational harbor between Santa Barbara and Monterey. Morro Rock was originally surrounded by water, but the Army built a large artificial breakwater and road across the north end of the harbor, linking Morro Rock and the mainland. Some of the rock used for this and for the artificial breakwaters was quarried from Morro Rock itself. Other rock was imported by barge from Catalina Island. The bay extends inland and parallels the shore for a distance of about 6.4 km (4.0 mi) south of its entrance at Morro Rock. Morro Bay is recognized for protection by the California Bays and Estuaries Policy.[30] A small summer colony of otters ususally can be seen in the kelp near the harbor entrance.[31]
Climate
[edit]Morro Bay experiences a mild warm-summer Mediterranean climate (Köppen Csb) characteristic of coastal California, featuring dry, warm summers and wet, mild winters. The city is located next to the Pacific Ocean, which helps moderate temperatures and create an overall pleasant, mild, year-round climate, resulting in warmer winters and cooler summers compared with places farther inland, such as Atascadero. Summers in Morro Bay are cool for a city located at 35°N latitude, with July averaging around 60 °F (16 °C). Winters are mild, with January averaging at 55 °F (13 °C) with around eight days of measurable precipitation.
| Climate data for Morro Bay, CA (1991–2020 normals, extremes 1959–present) | |||||||||||||
|---|---|---|---|---|---|---|---|---|---|---|---|---|---|
| Month | Jan | Feb | Mar | Apr | May | Jun | Jul | Aug | Sep | Oct | Nov | Dec | Year |
| Record high °F (°C) | 89 (32) |
87 (31) |
92 (33) |
100 (38) |
98 (37) |
86 (30) |
92 (33) |
94 (34) |
101 (38) |
106 (41) |
92 (33) |
81 (27) |
106 (41) |
| Mean maximum °F (°C) | 74.9 (23.8) |
76.0 (24.4) |
78.4 (25.8) |
81.5 (27.5) |
78.8 (26.0) |
72.7 (22.6) |
76.4 (24.7) |
79.0 (26.1) |
83.4 (28.6) |
89.4 (31.9) |
80.1 (26.7) |
72.8 (22.7) |
91.7 (33.2) |
| Mean daily maximum °F (°C) | 65.1 (18.4) |
65.4 (18.6) |
66.0 (18.9) |
67.3 (19.6) |
66.9 (19.4) |
66.4 (19.1) |
67.2 (19.6) |
69.7 (20.9) |
71.5 (21.9) |
72.5 (22.5) |
69.1 (20.6) |
64.6 (18.1) |
67.6 (19.8) |
| Daily mean °F (°C) | 55.7 (13.2) |
56.6 (13.7) |
57.3 (14.1) |
58.3 (14.6) |
59.3 (15.2) |
60.0 (15.6) |
61.8 (16.6) |
63.2 (17.3) |
63.7 (17.6) |
63.5 (17.5) |
59.7 (15.4) |
55.4 (13.0) |
59.5 (15.3) |
| Mean daily minimum °F (°C) | 46.4 (8.0) |
47.8 (8.8) |
48.6 (9.2) |
49.2 (9.6) |
51.7 (10.9) |
53.6 (12.0) |
56.5 (13.6) |
56.8 (13.8) |
56.0 (13.3) |
54.4 (12.4) |
50.2 (10.1) |
46.2 (7.9) |
51.5 (10.8) |
| Mean minimum °F (°C) | 36.2 (2.3) |
36.3 (2.4) |
38.7 (3.7) |
39.2 (4.0) |
43.1 (6.2) |
45.6 (7.6) |
50.0 (10.0) |
49.9 (9.9) |
48.2 (9.0) |
44.6 (7.0) |
39.1 (3.9) |
34.9 (1.6) |
32.6 (0.3) |
| Record low °F (°C) | 23 (−5) |
22 (−6) |
28 (−2) |
31 (−1) |
33 (1) |
39 (4) |
40 (4) |
40 (4) |
41 (5) |
36 (2) |
31 (−1) |
22 (−6) |
22 (−6) |
| Average precipitation inches (mm) | 3.64 (92) |
3.62 (92) |
3.19 (81) |
0.99 (25) |
0.42 (11) |
0.20 (5.1) |
0.07 (1.8) |
0.02 (0.51) |
0.09 (2.3) |
0.68 (17) |
1.33 (34) |
2.75 (70) |
17.00 (432) |
| Average precipitation days (≥ 0.01 in) | 7.0 | 8.2 | 7.0 | 4.1 | 1.8 | 0.4 | 0.4 | 0.3 | 0.7 | 2.1 | 3.4 | 6.9 | 42.3 |
| Source: NOAA[32][33] | |||||||||||||
Demographics
[edit]| Census | Pop. | Note | %± |
|---|---|---|---|
| 1950 | 1,659 | — | |
| 1960 | 3,692 | 122.5% | |
| 1970 | 7,109 | 92.6% | |
| 1980 | 9,064 | 27.5% | |
| 1990 | 9,664 | 6.6% | |
| 2000 | 10,350 | 7.1% | |
| 2010 | 10,234 | −1.1% | |
| 2020 | 10,757 | 5.1% | |
| U.S. Decennial Census[34] | |||
2020
[edit]
The 2020 United States census reported that Morro Bay had a population of 10,757. The population density was 2,019.3 inhabitants per square mile (779.7/km2). The racial makeup of Morro Bay was 78.3% White, 0.8% African American, 0.7% Native American, 3.0% Asian, 0.2% Pacific Islander, 6.3% from other races, and 10.7% from two or more races. Hispanic or Latino of any race were 16.6% of the population.[35]
The census reported that 96.7% of the population lived in households, 1.9% lived in non-institutionalized group quarters, and 1.3% were institutionalized.[35]
There were 5,038 households, out of which 17.7% included children under the age of 18, 42.6% were married-couple households, 7.0% were cohabiting couple households, 30.2% had a female householder with no partner present, and 20.1% had a male householder with no partner present. 35.4% of households were one person, and 20.2% were one person aged 65 or older. The average household size was 2.07.[35] There were 2,848 families (56.5% of all households).[36]
The age distribution was 13.2% under the age of 18, 5.6% aged 18 to 24, 20.4% aged 25 to 44, 28.0% aged 45 to 64, and 32.8% who were 65 years of age or older. The median age was 54.6 years. For every 100 females, there were 91.8 males.[35]
There were 6,528 housing units at an average density of 1,225.5 units per square mile (473.2 units/km2), of which 5,038 (77.2%) were occupied. Of these, 56.3% were owner-occupied, and 43.7% were occupied by renters.[35]
In 2023, the US Census Bureau estimated that 5.8% of the population were foreign-born. Of all people aged 5 or older, 89.4% spoke only English at home, 6.1% spoke Spanish, 3.4% spoke other Indo-European languages, 0.8% spoke Asian or Pacific Islander languages, and 0.3% spoke other languages. Of those aged 25 or older, 93.9% were high school graduates and 46.4% had a bachelor's degree.[37]
The median household income in 2023 was $92,553, and the per capita income was $59,411. About 5.7% of families and 9.9% of the population were below the poverty line.[38]
2010
[edit]
The 2010 United States census[39] reported that Morro Bay had a population of 10,234. The population density was 991.5 inhabitants per square mile (382.8/km2). The racial makeup of Morro Bay was 87.1% White, 0.4% African American, 0.9% Native American, 2.5% Asian, 0.1% Pacific Islander, 6.0% from other races, and 3.0%from two or more races. About 14.9% of the residents were Hispanics or Latinos of any race. The census reported that 98.4% of the population lived in households, 0.4% lived in noninstitutionalized group quarters, and 1.2% were institutionalized.
Of the 4,844 households, 19.0% had children under 18 living in them, 40.7% were opposite-sex married couples living together, 8.4% had a female householder with no husband present, and 4.5% had a male householder with no wife present; 6.8% were unmarried opposite-sex partnerships, and 0.7% were same-sex married couples or partnerships. Of the 1,808 households, 37.3% were made up of individuals and 16.2% had someone living alone who was 65 or older. The average household size was 2.08. About 53.6% of all households were families; the average family size was 2.70.
The city's age distribution was 15.0% under 18, 8.0% from 18 to 24, 22.1% from 25 to 44, 31.3% from 45 to 64, and 23.7% who were 65 or older. The median age was 48.9 years. For every 100 females, there were 95.8 males. For every 100 females 18 and over, there were 93.6 males.
The 6,320 housing units had an average density of 612.3 units per square mile (236.4 units/km2), of which 53.3% were owner-occupied and 46.7% were occupied by renters. The homeowner vacancy rate was 3.3%; the rental vacancy rate was 6.3%. About 51.0% of the population lived in owner-occupied housing units and 47.4% lived in rental housing units.
Morro Bay High School, Los Osos Middle School, and Del Mar Elementary offer education for grades 9-12, grades 6-8, and kindergarten through grade 5, respectively.[40]
Economy
[edit]
Tourism is the city's largest industry,[41] coexisting with the town's commercial fishery. A number of tourist attractions are found along the shoreline and the streets closest to it, especially the Embarcadero, including restaurants, shops and parks. Further, hospitality is the cornerstone of Morro Bay's economy. The city heavily relies on visitors staying at hotels, as tax revenues from those stays make up a significant portion of the city's General Fund.[42] The importance of travelers staying in hotels is solidified by the number and variety of accommodations. Hotels, motels, and inns within Morro Bay continuously adapt to accommodate visitors by investing in their amenities, accommodations, and conditions.
The most popular beach is on the north side of Morro Rock, north of the harbor. Also, excellent beaches are found north and south of the town, at Morro Strand State Beach and Morro Bay State Park, respectively.
Power plant
[edit]
The power plant has played a large role in Morro Bay, and in providing electricity to the Central Coast and the Central Valley of California (primarily Fresno and Bakersfield). It was built by PG&E in the mid-1950s[20][43][44] to a design by architect William Gladstone Merchant, and was expanded in the 1960s.[45] A portion of the city's budget came from taxes on the natural gas the plant burned.[43] In 1997, PG&E sold the plant to Duke Energy under a state law requiring energy producers to reduce their assets.[43]
The 650-megawatt plant employed more than 100 workers at its peak and operated around the clock during the energy crisis of 2000, but by the mid-2010s, when it was owned by Dynegy, it had become uneconomical and was operating at 5% of capacity, primarily during periods of peak energy demand. It would have required expensive upgrades by 2015 to conform to state law.[46] Duke had proposed modernizing the plant by converting it to combined cycle power generation,[47][48] but the modernization was not carried out,[43][49][50] and Dynegy closed the plant in February 2014.[46][21]
In 2018, a joint venture of German energy company EnBW and Seattle-based Trident Winds announced its plan to obtain the power plant's grid connection to connect a 650 MW floating offshore wind park comprising up to 100 floating wind turbines and a floating substation situated some 30 miles (48 km) off the coast.[51] In 2022, TotalEnergies, a French energy company, entered the joint venture with Trident Winds and took over the shares previously held by EnBW.[52]
In 2021, the city council of Morro Bay voted 4–1 to take down the power plant's smokestacks by 2028.[53] The city estimated that maintaining the smoke stacks would cost around a million dollars per year. Vistra Energy, which had purchased Dynegy, agreed to tear down the stacks and plans to build a 600 MW lithium-ion battery installation.[20][54][55]

Government
[edit]In the California State Legislature, Morro Bay is in the 17th senatorial district, represented by Democrat John Laird, and in the 30th Assembly district, represented by Democrat Dawn Addis.[56]
In the United States House of Representatives, Morro Bay is in California's 24th congressional district, which has a Cook PVI of D +4[57] and is represented by Salud Carbajal (D–Santa Barbara).[58]
Education
[edit]It is in the San Luis Coastal Unified School District.[59]
Notable people
[edit]- James Horvath, children's author and illustrator[60]
- Jack LaLanne, American fitness, exercise, nutritional expert and motivational speaker[61]
- Jerome Long, NFL defensive lineman
- Kent Nagano, conductor and opera administrator, grew up in Morro Bay and graduated from Morro Bay High School[62]
- Mel Queen, professional baseball player, coach, scout and executive[63]
- Gladys Walton, silent film actress[64]
In popular culture
[edit]- Morro Bay served as the primary setting for Pixar's 2016 film Finding Dory, in which it was revealed that Dory's childhood home was the Marine Life Institute, known as "The Jewel of Morro Bay, California".[65][66]
- The 2002 film Murder by Numbers was filmed on the Morro Bay Embarcadero, as well as in Los Osos and San Luis Obispo.[67]
- The track scenes in the 1982 film Personal Best were filmed at Morro Bay High School, with other filming throughout San Luis Obispo County.
- Night City, the main setting in the sci-fi role-playing game series Cyberpunk, is set on the ruins of Morro Bay, which became a ghost town after a massacre.
See also
[edit]References
[edit]- ^ "City of Morro Bay Official Page".
- ^ a b "California Cities by Incorporation Date". California Association of Local Agency Formation Commissions. Archived from the original (Word) on November 3, 2014. Retrieved August 25, 2014.
- ^ a b c "Mayor & City Council". City of Morro Bay. Retrieved October 10, 2025.
- ^ "Staff Directory: Yvonne Kimball". City of Morro Bay. Retrieved March 29, 2025.
- ^ a b "Final Maps | California Citizens Redistricting Commission". Retrieved October 10, 2025.
- ^ a b "2020 U.S. Gazetteer Files". United States Census Bureau. Retrieved October 30, 2021.
- ^ "Morro Bay". Geographic Names Information System. United States Geological Survey, United States Department of the Interior. Retrieved October 21, 2014.
- ^ "Morro Bay (city) QuickFacts". United States Census Bureau.
- ^ City of Morro Bay - Morro Rock Beach
- ^ 1000 California Place Names
- ^ California Place Names: The Origin and Etymology of Current Geographical Names
- ^ C. Michael Hogan (2008). "Morro Creek". ed. by A. Burnham.
- ^ "yakʔitʸutʸu resources - University Housing - Cal Poly, San Luis Obispo". Cal Poly, San Luis Obispo University Housing. Retrieved November 1, 2018.
- ^ Mercene, Floro L. (2007). Manila Men in the New World: Filipino Migration to Mexico and the Americas from the Sixteenth Century. The University of the Philippines Press. pp. 38–42. ISBN 978-971-542-529-2. Retrieved July 1, 2009.
- ^ Valerie Ooka Pang; Li-Rong Lilly Cheng (1998). Struggling To Be Heard: The Unmet Needs of Asian Pacific American Children. SUNY Press. p. 166. ISBN 978-0-7914-3839-8.
- ^ Bolton, Herbert E. (1927). Fray Juan Crespi: Missionary Explorer on the Pacific Coast, 1769–1774. HathiTrust Digital Library. pp. 185–186. Retrieved June 18, 2017.
- ^ Carina Monica Montoya (April 9, 2018). Pacific Coast Highway in California. Arcadia Publishing. p. 84. ISBN 978-1-4671-2751-6.
Gene L. Gerdes; Edward R. J. Primbs; Bruce M. Browning (1974). Natural Resources of Morro Bay: Their Status and Future. State of California, Department of Fish and Game. p. 27. - ^ Sternitzky, Robert F. (1930). "A New Subspecies of Plebejus icarioides Bdv". Pan-Pacific Entomologist. 7 (2): 93–94.
- ^ McBride, Susan; Conte, Fred F. (January 16, 2009). California Abalone Aquaculture (PDF) (Report). Davis: California Aquaculture, University of California. Archived from the original (PDF) on January 16, 2009.
- ^ a b c Karlamangla, Soumya (June 17, 2022). "The Iconic Morro Bay Smokestacks Are Coming Down". The New York Times. ISSN 0362-4331. Retrieved June 18, 2022.
- ^ a b Pridgen, Andrew (May 3, 2022). "Why Morro Bay residents love their dormant smokestacks". SFGate. Retrieved May 15, 2022.
- ^ a b Fodor's (December 21, 2010). Fodor's Northern California 2011: With Napa, Sonoma, Yosemite, San Francisco & Lake Tahoe. Random House Digital, Inc. p. 80. ISBN 978-1-4000-0503-1. Retrieved December 25, 2011.
- ^ Gudde, Erwin G. (1969). California Place Names. Berkeley: University of California Press. p. 212.
- ^ "Photo Gallery". Historical Morro Bay. Retrieved July 17, 2016.
- ^ "Morro Rock". Marquis Publishing. Retrieved July 17, 2016.
- ^ "Morro Rock". Office of Historic Preservation. Retrieved July 17, 2016.
- ^ "Rock Climber Rescued". Tolosa Press. March 4, 2015. Retrieved July 17, 2016.
- ^ "2 tribes clash over climbing Morro Rock". SF Gate. March 18, 2015. Retrieved July 17, 2016.
- ^ "Morro Rock Beach". City of Morro Bay. Retrieved July 17, 2016.
- ^ State Water Resources Control Board Water Quality Control Policy for the Enclosed Bays and Estuaries of California (1974) State of California
- ^ "Otter Information Station". Archived from the original on July 14, 2014. Retrieved June 7, 2014.
- ^ "NOWData – NOAA Online Weather Data". National Oceanic and Atmospheric Administration. Archived from the original on July 11, 2015. Retrieved September 27, 2015.
- ^ "CA Morro Bay Fire Dept". National Oceanic and Atmospheric Administration (FTP). Retrieved September 27, 2015.[dead ftp link] (To view documents see Help:FTP)
- ^ "Census of Population and Housing". Census.gov. Retrieved June 4, 2015.
- ^ a b c d e "Morro Bay city, California; DP1: Profile of General Population and Housing Characteristics - 2020 Census of Population and Housing". US Census Bureau. Retrieved May 29, 2025.
- ^ "Morro Bay city, California; P16: Household Type - 2020 Census of Population and Housing". US Census Bureau. Retrieved May 29, 2025.
- ^ "Morro Bay city, California; CP02: Comparative Social Characteristics in the United States - 2023 ACS 5-Year Estimates Comparison Profiles". US Census Bureau. Retrieved May 29, 2025.
- ^ "Morro Bay city, California; DP03: Selected Economic Characteristics - 2023 ACS 5-Year Estimates Comparison Profiles". US Census Bureau. Retrieved May 29, 2025.
- ^ "2010 Census Interactive Population Search: CA – Morro Bay city". U.S. Census Bureau. Archived from the original on July 15, 2014. Retrieved July 12, 2014.
- ^ "Morro Bay High School". San Luis Coastal Unified School District. Retrieved July 17, 2016.
- ^ Ranahan, Jared (January 15, 2023). "Morro Bay: California's Hottest Winter Birding Destination". Forbes. Retrieved January 16, 2023.
- ^ "Morro Bay plans $100 million makeover to attract more visitors | Pacific Coast Business Times". July 20, 2019.
- ^ a b c d Middlecamp, David (June 19, 2021). "Morro Bay Power Plant has been a landmark since 1950s. Here's the story behind the stacks". San Luis Obispo Tribune.
- ^ Branson-Potts, Hailey (August 11, 2022). "In a coastal California town, three iconic smokestacks are coming down. A community mourns". Los Angeles Times. Retrieved August 11, 2022.
- ^ "Morro Bay Power Plant" (PDF). History Center of San Luis Obispo County. October 2, 2020. Retrieved March 29, 2025.
- ^ a b Wilson, Nick (February 5, 2014). "Dynegy officially closes the Morro Bay Power Plant". San Luis Obispo Tribune. Archived from the original on July 22, 2014.
- ^ "Morro Bay Power Plant". California's Coastal Power Plants: Alternative Cooling System Analysis (PDF). Vol. 1. California Ocean Protection Council. 2008. p. 1-1.
- ^ Higuchi, Dean (September 25, 2008). "EPA air permit for Morro Bay power plant reduces emissions, protects air quality: Modernization project will also increase power generation". United States Environmental Protection Agency (press release).
- ^ Farrell, Neil (June 17, 2021). "City-Vistra Settle Lawsuit". Estero Bay News.
- ^ Farrell, Neil (July 30, 2022). "Morro Bay Power Plant a 'Life After People' Relic". Estero Bay News.
- ^ "EnBW Dives Deep Into US Offshore Wind". Offshore Wind. June 11, 2018. Retrieved April 26, 2019.
- ^ "TotalEnergies Enters Castle Wind JV to Explore 1GW Development of Offshore Wind in Central California". TotalEnergies in the U.S. (Press release). March 18, 2022. Retrieved August 6, 2024.
- ^ Russell, Angel (November 1, 2021). "The Morro Bay smokestacks are coming down. Here's how that could impact the city". KCBX. Retrieved June 18, 2022.
- ^ Bertola, Alexa (February 18, 2021). "World's largest energy storage system proposed in Morro Bay". KSBY. Retrieved June 18, 2022.
- ^ Leslie, Kaytlyn (April 6, 2021). "World's largest battery storage plant could be built in Morro Bay. Here are 5 things to know". San Luis Obispo Tribune. Retrieved March 29, 2025.
- ^ "Final Maps". State of California. Retrieved June 27, 2023.
- ^ "Cook Political Report". Cook Political Report. Retrieved September 1, 2014.
- ^ "California's 24th Congressional District - Representatives & District Map". Civic Impulse, LLC. Retrieved September 29, 2014.
- ^ Geography Division (December 18, 2020). "2020 CENSUS - SCHOOL DISTRICT REFERENCE MAP: San Luis Obispo County, CA" (PDF). U.S. Census Bureau. p. 1 (PDF p. 2/3). Retrieved June 1, 2025. - Text list
- ^ Linn, Sarah (May 6, 2013). "Morro Bay man realizes dream of publishing children's book". The Tribune (San Luis Obispo). Archived from the original on May 25, 2017.
- ^ d'Estries, Michael (January 24, 2011). "Jack LaLanne: The first fitness superhero". Mother Nature Network. Archived from the original on January 27, 2011. Retrieved January 25, 2011.
- ^ Lynn, Sarah (June 2, 2018). "This world-class conductor grew up in Morro Bay. Now he's coming home for a concert". The Tribune (McClatchy News). Retrieved March 26, 2021.
- ^ "SanLuisObispo.com – Former SLO High standout Mel Queen succumbs to cancer". Archived from the original on October 27, 2014. Retrieved October 27, 2014.
- ^ "Gladys Walton; Starred in Silent Films". Los Angeles Times. November 21, 1993. Retrieved February 2, 2021.
- ^ "Disney's 'Finding Dory' movie has Morro Bay connection". sanluisobispo.com. Retrieved March 20, 2017.
- ^ Martell, Brooke. "Locals react to 'Finding Dory' connection to the Central Coast". ksby.com. Archived from the original on March 21, 2017. Retrieved March 20, 2017.
- ^ "Ryan Gosling movie shot in SLO county". sanluisobispo.com. Retrieved April 19, 2021.
External links
[edit]Morro Bay, California
View on GrokipediaHistory
Indigenous and Early European Contact
The area now known as Morro Bay was inhabited by Chumash peoples, who utilized the estuary and coastal resources for fishing, shellfish harvesting, and trade, as evidenced by archaeological sites containing shell middens and faunal remains spanning an approximately 8,000-year residential sequence.[12] These middens, composed of discarded shells, bones, and artifacts, indicate sustained human activity focused on marine exploitation, with assemblages including fish, birds, mammals, and shellfish that reflect a diet reliant on local estuary productivity.[13] European contact began in 1542 when Portuguese explorer Juan Rodríguez Cabrillo, sailing under the Spanish flag, sighted Morro Rock during his coastal expedition along Alta California, naming it "El Morro" for its crown-like shape visible from the sea.[14] Cabrillo's logs describe entering Estero Bay but note no detailed inland exploration or direct interactions with local inhabitants at the site, marking it primarily as a navigational landmark amid broader charting efforts.[15] During the Spanish colonial period, the nearest mission establishment was Mission San Luis Obispo de Tolosa, founded on September 1, 1772, approximately 12 miles inland, which exerted indirect influence through neophyte labor recruitment and resource extraction from surrounding Chumash territories but established no permanent outpost or presidio directly in Morro Bay.[16] This mission system's expansion relied on coastal supply routes, yet Morro Bay remained uncolonized, serving sporadically as a provisioning stop without fortified settlement until the early 19th century.[17] Following Mexico's independence in 1821 and the secularization of missions starting in 1833, the area transitioned under Mexican governance, with four land grants issued near Morro Bay to private individuals for ranching and agriculture, initiating large-scale pastoral land use without immediate dense population or urban development.[17] These grants, part of broader Mexican policy distributing former mission holdings, emphasized cattle ranching over prior indigenous patterns, though enforcement and boundaries often relied on rudimentary surveys amid sparse records.[18]Settlement and Port Development (19th Century)
Following the Treaty of Guadalupe Hidalgo in 1848, which ceded California from Mexico to the United States and incorporated the Morro Bay region into American territory, the area saw minimal European settlement amid the broader post-Mexican Cession land grants and sparse ranching activities.[19] In 1870, Franklin Riley, a settler drawn to California during the 1849 Gold Rush era, founded the town of Morro Bay specifically as a shipping port to export dairy products, livestock, and other ranch goods from the fertile inland valleys of San Luis Obispo County.[20][21] Riley's initiative addressed the logistical challenges of transporting perishable agricultural commodities to larger markets, leveraging the natural estuary sheltered by Morro Rock for initial vessel access despite navigational hazards like strong winds and shifting sandbars.[22] Riley spearheaded the construction of the town's first wharf around 1873, enabling reliable loading of schooners and steamers with hides, wool, butter, and cattle, which spurred modest population influx from a handful of ranchers to several dozen residents by the late 1870s tied directly to port-related commerce.[23] This infrastructure marked the pragmatic onset of port development, driven by economic imperatives of resource extraction and trade rather than speculative mining ventures, though early fishing supplemented incomes amid inconsistent harbor conditions.[22] Harbor enhancements in the 1880s included rudimentary dredging attempts and wharf extensions to accommodate growing vessel traffic, but persistent tidal and current issues limited scalability until federal involvement later; these efforts nonetheless solidified Morro Bay's role in regional supply chains during California's agricultural boom.[22] Population hovered below 100 through the decade, reflecting the port's niche focus on bulk agricultural shipments over diversified industry.[23]20th Century Growth and Industrialization
Following World War II, Morro Bay underwent substantial economic expansion tied to energy infrastructure and maritime activities. Pacific Gas and Electric Company initiated construction of the Morro Bay Power Plant in 1951 on land previously used as a naval training site, completing units 1 and 2 by 1954 and adding units 3 and 4 in the early 1960s, with full operations spanning 1954 to 1963.[24][25] This facility generated reliable baseload power using natural gas and created numerous construction and operational jobs, drawing workers to the area and elevating the local tax base.[26] Harbor enhancements, supported by federal funding, paralleled this development. Dredging projects in the 1950s widened and deepened the entrance channel, enabling larger vessels and sustaining commercial fishing as a key employer.[27][22] Rockfish landings dominated port activities during this era, with the fleet targeting groundfish species that bolstered economic output amid post-war demand.[28] These advancements culminated in formal municipal status, as the influx of residents and revenue from industry prompted incorporation on July 17, 1964.[26] Concurrently, expansions at Morro Bay State Park, including interpretive facilities opened in 1962, laid groundwork for tourism growth by attracting visitors to the estuary and coastal features.[29]Post-1960s Developments and Modern Challenges
The commercial fishing sector in Morro Bay underwent a marked contraction after the 1970s, driven by escalating regulations to safeguard depleting fish stocks, influxes of low-cost imported seafood, and surging operational expenses including diesel fuel costs exceeding $3 per gallon by the mid-2000s.[30][31] Overcapitalization in trawling exacerbated this, prompting restrictive quotas that slashed local landings; for example, overall ex-vessel activity in San Luis Obispo County ports plummeted from approximately 15 million pounds in 1985 to far lower volumes in subsequent decades.[32][33] Specific fisheries like abalone saw commercial harvests end entirely by 1980 following sharp declines from 1975 onward.[34] The resident fishing fleet diminished accordingly, with permit holders dropping from a peak of 213 in 2000 to 95 by 2008 amid persistent economic pressures.[28][35] This downturn spurred a pivot to tourism as an economic mainstay from the 1980s through the 2000s, leveraging the harbor's scenic appeal and Morro Rock for visitor influxes that sustained retail and service jobs, which accounted for 22.5% and 20.9% of local employment respectively by the early 2000s.[36] San Luis Obispo County tourism spending, encompassing Morro Bay, expanded at an average annual rate of 4% from 1994 to 2016, reflecting broader regional trends in leisure travel to coastal sites.[37] Concurrently, the Morro Bay Power Plant bolstered employment stability until its 2014 decommissioning, employing about 84 workers in its later years and generating annual city revenues around $2 million during operational peaks, offsetting fishing volatility.[38][39] Infrastructure challenges emerged in harbor upkeep amid seismic vulnerabilities and aging facilities, with city-led initiatives addressing breakwater erosion and quay wall reinforcements through the 2010s and 2020s to sustain port viability for remaining vessels and tourism.[40] These efforts, documented in municipal sustainability plans, countered environmental and regulatory strains while adapting to reduced fishing throughput.[31]Geography
Topography and Physical Features
Morro Bay is located in San Luis Obispo County along California's Central Coast, occupying a land area of 5.33 square miles predominantly consisting of low-elevation coastal plains and urbanized terrain.[1] The average elevation across the city reaches approximately 54 meters, with the landscape shaped by sedimentary deposits, dunes, and erosional remnants of ancient volcanic activity.[41] Geological features include a chain of volcanic plugs known as the Nine Sisters, formed from dacitic intrusions during Miocene volcanic episodes millions of years ago and exposed through prolonged erosion of overlying materials.[42] These plugs, including the prominent Morro Rock rising 177 meters, punctuate the otherwise subdued topography of alluvial plains and marine terraces.[43] The Morro Bay estuary represents a key landform, resulting from tectonic subsidence of a coastal valley combined with Holocene sea-level rise around 10,000 years ago, which inundated the area and allowed longshore sediment transport to build the enclosing sand spit. City boundaries are defined by natural features, including the Pacific Ocean to the west, higher terrain and state park lands to the north, and to the south, the communities of Los Osos and Baywood Park separated by extensive dune systems and the estuary's southern margins.[44]Morro Rock Formation
Morro Rock is a prominent volcanic plug composed primarily of dacite, rising 576 feet (176 meters) above sea level at the entrance to Morro Bay. It formed approximately 21 million years ago during Oligocene volcanic activity, when magma intruded into overlying sediments and cooled to create a resistant plug within what is now recognized as the Nine Sisters chain of similar formations extending inland from Morro Bay toward San Luis Obispo. Subsequent erosion of softer surrounding volcanic and sedimentary rocks over millions of years exposed the plug, leaving Morro Rock as the northernmost and most seaward of these features.[45][42] From 1889 until the late 1960s, the U.S. Army Corps of Engineers quarried Morro Rock extensively, extracting over 1 million tons of material to construct breakwaters at Morro Bay Harbor, Port San Luis, and other Central Coast facilities. This activity significantly altered the rock's profile, particularly on its eastern and southern faces, where blasting and removal reduced its volume and created visible scars. Quarrying operations involved dynamite blasts and mechanical extraction, with records indicating approximately 250,000 tons removed during peak periods in the early 20th century.[46][47][48] Quarrying ended in 1969 following public opposition and environmental concerns, after which Morro Rock was designated California State Historical Landmark #730 in 1968 and incorporated into the Morro Rock State Preserve to prevent further extraction. The preserve status ensures the remaining formation's integrity, with access limited to a base trail around its northern and western sides. Ecologically, the rock functions as a key haul-out site for California sea lions (Zalophus californianus), which rest on its shores year-round; these pinnipeds, Morro Bay's largest resident marine mammals weighing up to 860 pounds (390 kg), frequently aggregate here for thermoregulation and social behavior, observable from adjacent beaches.[47][49]Estuary, Harbor, and Coastal Environment
The Morro Bay estuary constitutes a shallow, semi-enclosed coastal embayment encompassing approximately 2,300 acres of intertidal and subtidal habitat where freshwater inflows mix with Pacific Ocean saltwater, forming tidal flats, eelgrass beds, and salt marshes that sustain high biodiversity including habitats for migratory shorebirds, fish nurseries, and species from sea slugs to southern sea otters.[11][50][3] In September 2007, the California Fish and Game Commission designated the Morro Bay State Marine Reserve and adjacent State Marine Recreational Management Area, collectively protecting 3.31 square miles of estuary waters below mean high tide, prohibiting all take of living marine resources in the reserve to preserve ecological integrity while permitting limited recreational activities in the management area.[51][52] Harbor development in the 1940s involved U.S. Army Corps of Engineers construction of entrance jetties and breakwaters, initially funded by the U.S. Navy to support wartime vessel operations, which stabilized the inlet channel and facilitated commercial fishing access by depths maintained through periodic dredging starting from that era, though these modifications disrupted longshore sediment transport, exacerbating inlet shoaling and necessitating ongoing maintenance dredging of approximately 100,000 cubic yards annually in recent decades to sustain navigability.[53][54][55] The coastal environment faces hazards from erosion and accelerating sea-level rise, with USGS projections modeling shoreline retreat across California under 21st-century scenarios of 0.5 to 3.0 meters rise, potentially eroding 25% to 70% of beaches by 2100; locally, 1 meter of rise is forecasted to inundate over 50 acres concentrated along the bay mouth sandspit, threatening marsh habitats and infrastructure without adaptive measures.[56][57][58]Climate and Weather Patterns
Morro Bay experiences a warm-summer Mediterranean climate classified as Köppen Csb, characterized by mild temperatures year-round, dry summers, and precipitation concentrated in the winter months.[59] Ambient temperatures typically range from a low of 45°F in winter to a high of 73°F in summer, with annual averages around 59°F.[60] This regime results from the moderating influence of the Pacific Ocean and prevailing westerly winds, leading to low seasonal temperature variability compared to inland areas.[61] Precipitation averages 17-18 inches annually, with over 70% falling between November and March, primarily from frontal systems associated with winter storms.[62] February records the highest monthly average at 2.9 inches, while summers from May to October are largely rainless, with less than 0.5 inches per month.[60] Long-term records from nearby NOAA monitoring stations indicate consistent patterns, with rare extremes such as the 1995 El Niño-driven floods that brought 5-10 inches of rain in January and March, causing widespread inundation in San Luis Obispo County, including Morro Bay's coastal areas.[63][64] Summers feature frequent fog from the marine layer, a cool, moist air mass advected onshore by upwelling and diurnal sea breezes, often persisting into midday and reducing visibility.[65] This phenomenon cools coastal waters and air, suppressing maximum temperatures below 70°F on many days. Winters bring occasional southerly winds and higher waves, but overall humidity remains moderate outside fog events. These patterns influence local commercial fishing, with winter rains and storms occasionally disrupting harbor operations and increasing erosion risks to nearshore habitats, while summer fog limits vessel departures and affects catch rates for species reliant on visual navigation or surface conditions.[66] Historical data show stable interannual variability, with deviations primarily tied to Pacific decadal oscillations rather than long-term trends in local records.| Month | Avg High (°F) | Avg Low (°F) | Avg Precip (in) |
|---|---|---|---|
| January | 62 | 46 | 2.6 |
| February | 62 | 47 | 2.9 |
| March | 63 | 48 | 2.3 |
| April | 64 | 49 | 1.1 |
| May | 65 | 51 | 0.4 |
| June | 67 | 53 | 0.2 |
| July | 68 | 55 | 0.1 |
| August | 69 | 55 | 0.1 |
| September | 69 | 54 | 0.3 |
| October | 68 | 52 | 0.7 |
| November | 65 | 49 | 1.5 |
| December | 62 | 46 | 2.1 |
Demographics
Population Dynamics and Census Data
The population of Morro Bay experienced rapid expansion in the mid-20th century, particularly during the 1950s and 1960s, driven by industrial developments such as the construction of the power plant, which contributed to a reported 314% increase from 1950 levels by 1955.[67] This growth continued post-incorporation in 1964, when the city had approximately 3,700 residents.[68] By the 2010 decennial census, the population stood at 10,234, rising modestly to 10,757 in the 2020 census, reflecting a 5.1% increase over the decade.[69] Recent U.S. Census Bureau estimates show stabilization followed by a slight decline, with the population at 10,688 in 2022, 10,589 in 2023, and 10,591 as of July 1, 2024.[1] [69] This trend aligns with broader patterns of coastal migration, where aging demographics and housing supply limitations have tempered net growth in small California coastal communities. The median age of 52.9 years as of 2023 underscores the community's aging profile, with a higher proportion of older residents compared to state averages.[1] Housing data further illustrates supply constraints: the median value of owner-occupied units reached $864,900 based on 2019-2023 American Community Survey estimates, contributing to population stability by limiting influxes of younger families.[1] Projections suggest continued modest decline, with an estimated 10,473 residents by 2025, at an annual rate of -0.55%.[70]Ethnic and Racial Composition
According to the 2020 United States Census, Morro Bay's population of 10,757 residents was 77.1% White non-Hispanic, 12.7% Hispanic or Latino (of any race), 5.1% Asian, 0.8% American Indian and Alaska Native, 0.3% Black or African American, and the remainder in other races or multiracial categories.[1][6]| Racial/Ethnic Group | Percentage (2020) |
|---|---|
| White non-Hispanic | 77.1% |
| Hispanic or Latino | 12.7% |
| Asian | 5.1% |
| American Indian/Alaska Native | 0.8% |
| Black/African American | 0.3% |
| Other/multiracial | 3.9% |
Age, Income, and Socioeconomic Profile
Morro Bay exhibits a notably aged population structure, with a median age of 52.9 years as of the 2019-2023 American Community Survey (ACS) estimates, compared to California's statewide median of 37.6 years.[74][6] This skew toward older residents is evident in the distribution: approximately 10.1% under age 15, 17.7% aged 15-29, 43.7% aged 30-64, 26.4% aged 65-84, and 2.2% aged 85 and over, underscoring a retirement-oriented community where seniors comprise over 28% of the total population.[75] The city's socioeconomic indicators reflect relative affluence amid this demographic profile. Median household income stood at $92,553 during 2019-2023, exceeding the national median but aligning closely with regional coastal norms influenced by tourism and fixed-income retirees.[74] Per capita income reached $59,411 in the same period, supporting a poverty rate of 9.9% for persons, lower than the national average of about 12% but indicative of vulnerabilities among non-working elderly households.[6][74] Educational attainment exceeds national benchmarks, with 46.4% of adults aged 25 and older holding a bachelor's degree or higher in 2019-2023 ACS data, compared to roughly 35% nationwide; high school completion or equivalency covers about 92% of this group.[74] Labor force participation remains moderate at 56.2% for the population aged 16 and over, reflecting retiree prevalence, with employment skewed toward service-oriented roles such as retail, accommodation, and healthcare rather than manufacturing or goods production, which constitute minimal shares.[76] Gender distribution is nearly balanced, at 49.3% male and 50.7% female, with female labor force participation mirroring the overall rate.[77]Economy
Commercial Fishing Industry
Commercial fishing in Morro Bay reached its peak during the mid-20th century, driven by abundant catches of rockfish, squid, shellfish, and abalone, with the abalone fishery commencing in 1916 and peaking in the late 1950s before sharp declines in the 1970s led to its closure.[78] Trawl fleets expanded significantly in this era, landing 20,000-30,000 pounds per trip amid booming activity, though overcapitalization began eroding profitability by the late 20th century.[79] The industry supported a robust local economy tied to these resources, but federal management shifts, including groundfish quotas under individual fishing quota programs, constrained operations starting in the 2000s.[80] Today, the sector generates approximately $7 million in annual ex-vessel value from landings, primarily seafood like squid and groundfish, with fishermen landing around 4 million pounds in 2016.[35][81] The fleet, homeporting about 52 vessels averaging 30 feet in length as of 2021, sustains roughly 100 direct jobs among members of the Morro Bay Commercial Fishermen's Organization (MBCFO), founded in 1972 to advance fishing interests and community programs.[28][82] While dockside processing has enabled some value-added efficiency, persistent challenges include competition from imported seafood and restrictive federal quotas that have reduced harvest opportunities for species like groundfish.[83] Habitat degradation exacerbates these pressures, notably the loss of over 95% of eelgrass beds between 2007 and 2016, which has altered fish populations by diminishing nursery grounds for juvenile species and triggering estuary-wide erosion.[84] The MBCFO actively advocates against overregulation, including opposition to offshore wind developments perceived as threats to fishing access, emphasizing empirical management over precautionary restrictions to preserve the fleet's viability.[85][86]Tourism and Hospitality Sector
Tourism constitutes a primary economic driver in Morro Bay, attracting approximately 800,000 visitors annually to its natural landmarks including Morro Rock, the harbor, and opportunities for kayaking in the estuary.[87][88] These visitors contribute substantially through lodging and activities, with the hospitality sector centered along the Embarcadero waterfront generating over $39 million in annual economic impact from hotel and motel stays as of recent assessments.[89] Transient occupancy taxes from this activity alone exceed $4.3 million yearly, underscoring the sector's fiscal importance to municipal revenues.[89] The Morro Bay State Park and guided estuary tours, including kayaking and birdwatching excursions, help mitigate seasonality by drawing visitors during off-peak periods such as fall, known locally as the "Secret Season" with milder crowds and consistent weather.[90] Peak visitation occurs from late June to late September, aligning with warmer temperatures and extended daylight, while winter months see reduced numbers due to cooler conditions and occasional rain.[60] In San Luis Obispo County, which encompasses Morro Bay, tourism accounted for over 10% of GDP in 2023, with total visitor spending reaching $2.3 billion, though Morro Bay-specific figures reflect a heavier reliance on seasonal coastal attractions.[91] Post-COVID recovery has been robust, with regional travel spending surpassing pre-pandemic levels by 2023, bolstered by growth in eco-tourism activities like whale watching and sustainable estuary paddling that appeal to environmentally conscious travelers.[92] However, the sector faces competition from nearby destinations such as San Luis Obispo and Pismo Beach, prompting efforts to emphasize unique offerings like the national estuary's biodiversity to sustain year-round appeal.[93] Local fiscal reports note a stabilization after initial post-pandemic surges, with cyclical revenues from tourism declining from highs but remaining vital amid broader economic pressures.[94]Energy Production and Infrastructure
The Morro Bay Power Plant, a natural gas-fired steam electric generating facility, operated from 1956 until its closure in February 2014 after 58 years of service.[95][96] The plant featured four generating units with a combined nameplate capacity of 1,002 megawatts (MW), functioning primarily as a peaker plant to meet high-demand periods in California's grid.[97][98] Its once-through cooling system drew from the Pacific Ocean, drawing environmental scrutiny over impacts to marine life, though operations complied with air emission permits issued by the San Luis Obispo County Air Pollution Control District. At its peak, the facility employed over 100 workers, providing high-paying jobs that supported the local economy; by closure, around 40 such positions were lost, contributing to regional economic ripple effects estimated in the millions annually. The plant's dispatchable natural gas generation offered grid reliability during peak loads and emergencies, contrasting with less flexible renewables, though its emissions—primarily nitrogen oxides and particulate matter—met regulatory standards but raised concerns over cumulative local air quality degradation from decades of operation.[99][100] EPA approvals for modernization in the 2000s confirmed that post-upgrade particulate emissions would not exceed national ambient air quality standards.[99] Closure stemmed from economic unviability, as owner Dynegy could not secure long-term power purchase agreements amid California's shift toward renewables and low natural gas prices.[101] Vistra Energy, the current site owner, agreed in 2021 to fully demolish the plant and its iconic 450-foot stacks by January 1, 2028, or forfeit $3 million to the city, with escalating costs now estimated higher due to inflation and seismic retrofit requirements.[102][103] This decommissioning process underscores the high financial burden of retiring fossil infrastructure, including site remediation and structural removal, without immediate replacement generation.[8] Post-closure transition efforts focused on a proposed 300 MW battery energy storage system (BESS) by Vistra to repurpose the site for grid support, but the application was withdrawn on April 4, 2025, amid community opposition citing safety risks—such as lithium-ion battery fires observed at Vistra's Moss Landing facility—and doubts over reliability compared to the original gas plant's on-demand output.[104][105][106] The withdrawal halts near-term infrastructure redevelopment, leaving the site idle while preservation debates continue over the stacks as potential landmarks versus full removal for environmental restoration.[107]
