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Duck Key, Florida
Duck Key, Florida
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Satellite image of Duck Key and Toms Harbor Keys

Key Information

Duck Key is a census-designated place and unincorporated community in Monroe County, Florida, United States, on an island of the same name in the middle Florida Keys. The CDP also includes the neighboring island of Conch Key. As of the 2020 census, the CDP had a population of 727,[3] up from 621 in 2010.[5]

History

[edit]

Ownership of Newkirk's Indies Inn changed in 1983 when the Pompano Beach Barrington Group purchased the holdings and made extensive changes. The nine-hole par 3 course designed by Robert Trent Jones was removed to make room for a resort expansion approved in 1986. The resort name was changed to Hawk's Cay Resort and Marina. Additional swimming pools and recreational facilities were added in the late 1990s.

The Singh Company of Key West, well known for the Truman Annex, entered the Upper Keys in the middle 1990s and began Hawk's Cay Village. This added several hundred Caribbean-style cottages all with water views, porches and the traditional white picket fence.

There are presently 381 homes, multiple recreational facilities and complete convention facilities.

Geography

[edit]

Duck Key is located oceanside of U.S. 1 (the Overseas Highway), at approximately mile marker 61, between Conch and Grassy Keys.[6] Marathon is 9 miles (14 km) to the southwest, and Islamorada is 22 miles (35 km) to the northeast.

According to the United States Census Bureau, the Duck Key CDP has a total area of 0.63 square miles (1.6 km2), of which 0.03 square miles (0.078 km2), or 5.37%, are water.[1]

Climate

[edit]
Climate data for Duck Key, Florida, 1991–2020 normals, extremes 1982–present
Month Jan Feb Mar Apr May Jun Jul Aug Sep Oct Nov Dec Year
Record high °F (°C) 87
(31)
87
(31)
89
(32)
93
(34)
94
(34)
97
(36)
99
(37)
98
(37)
96
(36)
96
(36)
91
(33)
89
(32)
99
(37)
Mean maximum °F (°C) 82.0
(27.8)
83.0
(28.3)
84.7
(29.3)
87.0
(30.6)
89.4
(31.9)
91.1
(32.8)
92.7
(33.7)
93.0
(33.9)
91.5
(33.1)
89.2
(31.8)
85.6
(29.8)
83.6
(28.7)
93.5
(34.2)
Mean daily maximum °F (°C) 74.5
(23.6)
76.6
(24.8)
78.9
(26.1)
81.9
(27.7)
84.8
(29.3)
87.6
(30.9)
89.3
(31.8)
89.4
(31.9)
87.9
(31.1)
84.4
(29.1)
79.2
(26.2)
76.6
(24.8)
82.6
(28.1)
Daily mean °F (°C) 69.0
(20.6)
70.9
(21.6)
73.4
(23.0)
76.8
(24.9)
79.9
(26.6)
82.9
(28.3)
84.1
(28.9)
84.4
(29.1)
82.8
(28.2)
79.9
(26.6)
74.7
(23.7)
71.6
(22.0)
77.5
(25.3)
Mean daily minimum °F (°C) 63.4
(17.4)
65.2
(18.4)
67.9
(19.9)
71.7
(22.1)
75.1
(23.9)
78.1
(25.6)
79.0
(26.1)
79.4
(26.3)
77.7
(25.4)
75.5
(24.2)
70.2
(21.2)
66.5
(19.2)
72.5
(22.5)
Mean minimum °F (°C) 49.4
(9.7)
52.3
(11.3)
56.4
(13.6)
63.4
(17.4)
69.5
(20.8)
72.7
(22.6)
73.6
(23.1)
73.0
(22.8)
72.7
(22.6)
68.8
(20.4)
59.5
(15.3)
54.8
(12.7)
46.8
(8.2)
Record low °F (°C) 38
(3)
40
(4)
48
(9)
52
(11)
62
(17)
68
(20)
70
(21)
69
(21)
69
(21)
58
(14)
52
(11)
37
(3)
37
(3)
Average precipitation inches (mm) 1.62
(41)
1.86
(47)
1.76
(45)
1.79
(45)
2.74
(70)
5.06
(129)
3.64
(92)
5.74
(146)
6.10
(155)
5.98
(152)
2.35
(60)
1.74
(44)
40.38
(1,026)
Average precipitation days (≥ 0.01 in) 5.6 4.6 4.1 3.8 5.3 10.4 10.7 10.5 13.2 9.7 5.7 6.6 90.2
Source: NOAA[7][8]

Demographics

[edit]
Historical population
CensusPop.Note
2000443
201062140.2%
202072717.1%
U.S. Decennial Census[9]

As of the census[4] of 2000, there were 443 people, 235 households, and 141 families residing in the CDP. The population density was 198.9 people/km2 (515 people/mi2). There were 828 housing units at an average density of 371.7 units/km2 (963 units/mi2). The racial makeup of the CDP was 98.65% White, 0.45% black, 0.23% Asian, and 0.68% from two or more races. Hispanic or Latino of any race were 2.93% of the population.

There were 235 households, out of which 8.9% had children under the age of 18 living with them, 56.6% were married couples living together, 3.0% had a female householder with no husband present, and 39.6% were non-families. 33.2% of all households were made up of individuals, and 14.9% had someone living alone who was 65 years of age or older. The average household size was 1.89 and the average family size was 2.32.

In the CDP, the population was spread out, with 8.8% under the age of 18, 2.3% from 18 to 24, 20.8% from 25 to 44, 40.0% from 45 to 64, and 28.2% who were 65 years of age or older. The median age was 54 years. For every 100 females, there were 101.4 males. For every 100 females age 18 and over, there were 101.0 males.

The median income for a household in the CDP was $39,125, and the median income for a family was $39,708. Males had a median income of $50,341 versus $26,429 for females. The per capita income for the CDP was $29,007. About 23.4% of families and 16.6% of the population were below the poverty line, including 6.9% of those under age 18 and 15.4% of those age 65 or over.

Education

[edit]

It is in the Monroe County School District. It is zoned to Stanley Switick Elementary School (K-8) in Marathon.[10]

References

[edit]
Revisions and contributorsEdit on WikipediaRead on Wikipedia
from Grokipedia
Duck Key is a census-designated place and unincorporated island community in Monroe County, Florida, United States, situated in the middle Florida Keys along the Overseas Highway at mile marker 61. As of the 2020 United States census, the population was 727, reflecting a predominantly affluent residential area with a median age of 63.6 years (2018-2022 ACS estimate) and a high median household income exceeding $100,000. The island spans approximately 2 miles in length as a narrow, rocky outcrop originally featuring salt ponds and connected to the mainland via a causeway completed in 1953. Historically uninhabited until the mid-20th century, Duck Key was acquired in 1951 by developer Bryan Newkirk, who invested $4 million to dredge canals, pump fill material, and construct infrastructure, including four decorative stone bridges, transforming it into a luxury enclave blending resort amenities and private homes. Early records trace its name to 1775 surveys by George Gauld noting a nearby freshwater source, with prior uses limited to salt production under 19th-century owners like Charles Howe. Today, the community comprises around 376 homes across five sub-islands—Indies, Centre, Harbour, Plantation, and Yacht Club—governed by organizations such as the Duck Key Property Owners' Association and Club Duck Key. Duck Key's economy revolves around tourism and real estate, anchored by the expansive Hawks Cay Resort, a 60-acre property that underwent a marina renovation and opened the Salt + Ash restaurant in 2025, offering dolphin encounters, marina facilities, multiple pools, and waterfront dining, drawing visitors for its access to the surrounding aquamarine waters and coral reefs. The island's seclusion, Atlantic-facing beaches, and proximity to attractions like the Seven Mile Bridge emphasize its appeal as a serene retreat within the Florida Keys ecosystem, though it faces challenges from sea-level rise and hurricane vulnerability common to the region.

Geography

Location and Terrain

Duck Key is an island and census-designated place located in Monroe County, Florida, within the Middle Keys archipelago. It lies oceanside of U.S. Highway 1 (the Overseas Highway) at mile marker 61, approximately 9 miles northeast of Marathon and 22 miles southwest of Islamorada. The island's geographic coordinates are 24°46′32″N 80°54′39″W. According to the U.S. Census Bureau, Duck Key encompasses a total area of 0.63 square miles (1.64 km²), consisting of 0.60 square miles (1.55 km²) of land and 0.035 square miles (0.091 km²) of water. The terrain is characteristic of the low-lying Florida Keys, with an average elevation near sea level—approximately 3 feet (0.91 m)—rendering it highly vulnerable to storm surges and coastal flooding. The island features mangrove fringes along its shores, which provide natural protection against erosion, and includes artificial canals dredged during 1950s development to create residential and resort areas, including interconnected waterways spanning several miles.

Climate

Duck Key experiences a tropical savanna climate (Köppen Aw), marked by consistently warm temperatures and a distinct wet season influenced by its maritime location in the Florida Keys. Climate data for the area, drawn from the nearby Florida Keys Marathon International Airport station, indicate 1991–2020 normals of an annual average high temperature of 84.5°F (29.2°C) and an average low of 73.0°F (22.8°C). Annual precipitation averages 39.72 inches (1,009 mm), with the majority falling during the wet season from May to October, when convective thunderstorms and tropical systems contribute to higher rainfall totals. Extreme temperatures in the region include a record high of 99°F (37°C) on July 24, 2023, and a record low of 37°F (3°C) on December 24, 1989, both recorded at the Marathon station. The island's low-lying terrain heightens its susceptibility to tropical storms and hurricanes, as seen in the catastrophic flooding and wind damage from the 1935 Labor Day Hurricane, which struck the Upper Keys but affected infrastructure across the chain, including areas near Duck Key. This warm, humid climate fosters year-round appeal for tourism, enabling consistent opportunities for boating, fishing, and other water-based recreation.

History

Early Settlement and Naming

Duck Key, originally unnamed on early Spanish charts, was encompassed within the collective designation of "Key Vaccas," or Cow Keys, referring to a group of islands in the Middle Keys believed to have been used for grazing or associated with cattle by Spanish explorers. In 1772, British surveyor William Gerard De Brahm labeled the island as "Reynolds" on his chart of the Florida coast, reflecting his practice of assigning personal names to various keys during his surveys for the British colonial government. Three years later, in 1775, Scottish surveyor George Gauld officially named it "Duck Key" on his nautical chart, noting the presence of a freshwater pond at the island's west end that attracted ducks, which contributed to its distinctive avian association. During the Second Spanish Period (1783–1821), Duck Key formed part of a 1814 Spanish land grant awarded to Don Francisco Ferreira, which included Key Vaca and four adjacent small islands to encourage settlement and resource use in the region. After Florida's cession to the United States in 1821, the U.S. government began confirming valid Spanish grants; Ferreira's claim received preliminary approval in 1821, with further validation processes extending into the 1830s as part of broader territorial adjustments. In 1824, Ferreira sold the property, including Duck Key, to Isaac Cox for $3,000; however, Ferreira had previously sold Duck Key separately to Sol Snyder on June 11, 1823, creating overlapping claims that fueled title disputes. Cox transferred it three years later in 1827 to Charles Howe, a prominent figure in early Keys commerce, for $1,500. These transactions underscored the island's emerging economic potential amid ongoing legal validations of pre-U.S. ownership. Early industry on Duck Key centered on salt production in the 1800s, with Howe establishing salt ponds to evaporate seawater for harvesting salt, a vital commodity for preserving fish and meat in the subtropical climate. References to these operations appear in nautical descriptions as early as 1828, highlighting Duck Key's role in supporting regional trade despite its remote location. Throughout the 19th century, the island faced persistent challenges from title disputes arising from overlapping Spanish sales and U.S. confirmation processes, which were not fully resolved until 1899 through court determinations affirming the Ferreira grant's legitimacy. This isolation was further compounded in the early 20th century when the Florida East Coast Railway bypassed Duck Key in 1912, and the subsequent Overseas Highway reconstruction after the devastating 1935 Labor Day Hurricane similarly skirted the island, preserving its undeveloped character into the mid-20th century.

Modern Development and Resort Era

In the early 1950s, Duck Key underwent significant transformation when financier and developer Bryan W. Newkirk purchased the island in 1951 for approximately $4 million, envisioning it as a premier resort community. This acquisition initiated extensive land reclamation efforts, including the dredging of four miles of canals to create fill material that expanded the 400-acre site into five interconnected islands: Indies, Centre, Harbour, Plantation, and Yacht Club. A wooden bridge connected the key to the mainland in 1952, followed by the opening of a $1 million causeway to U.S. Highway 1 on January 2, 1953, which facilitated vehicle access and spurred further development, including 10 miles of paved roads, stone bridges, a golf course, and the Yacht Club Marina. The Indies Inn, the island's first hotel, opened in January 1960 as part of Newkirk's Florida Southern Land Company vision for a luxury residential and recreational enclave. The landscape evolved through subsequent ownership changes and expansions. In 1983, the Pompano Beach-based Barrington Group acquired the property, reopening the hotel in January 1984 as Hawk's Cay and Marina with 178 rooms and initiating plans for condominium villas. Further growth occurred in the mid-1990s when the Singh Company of developed Hawk's Cay Village, adding 60 Caribbean-style cottages along with enhanced recreational amenities such as additional swimming pools. The was acquired in 2013 by Carey Watermark Investors for $133.8 million. These developments solidified Duck Key's role as a hub, with the serving as a central employer for local jobs in hospitality and marina services. Duck Key's modern era has been marked by resilience against natural disasters, particularly hurricanes. The 1935 Labor Day Hurricane devastated regional infrastructure, including the Overseas Railroad, leading to its abandonment and leaving Duck Key in a relatively untouched natural state until the 1950s reconnection efforts. More recently, Hurricane Irma struck in September 2017 as a Category 4 storm, inflicting severe damage on Hawk's Cay Resort, including structural destruction that resulted in over 200 job losses and widespread debris across the 60-acre property. Recovery involved phased renovations, with a soft reopening in March 2018 featuring restored villas, pools, and dining options, followed by full operations that summer, including dolphin interaction programs. As of the 2020s, Duck Key maintains approximately 376 homes alongside its resort facilities, emphasizing recreational pursuits like boating, golf, and conventions while preserving much of its canal-lined, island-community layout.

Demographics

The population of Duck Key, an unincorporated census-designated place in Monroe County, Florida, has shown steady growth over the past two decades according to U.S. Census Bureau data. In 2000, the community recorded 443 residents. By 2010, this figure increased to 621 residents, representing a 40.2% rise. The 2020 Census reported further expansion to 727 residents, a 17.2% increase from 2010 and a cumulative 64.1% growth since 2000. As of the 2022 American Community Survey estimates, the population was 755. This upward trend in permanent residency is driven primarily by migration tied to tourism and the prevalence of second-home ownership in the Florida Keys. As an unincorporated area, Duck Key lacks municipal boundaries that might encourage denser permanent development, resulting in a relatively low year-round population compared to its seasonal visitor numbers. The 2020 population density stood at 1,214.5 people per square mile, reflecting the island's compact land area of approximately 0.60 square miles. No official population projections exist specifically for Duck Key, but trends align with broader Monroe County patterns, which anticipate modest permanent growth offset by increasing seasonal influx from vacationers and part-time residents. This dynamic has been influenced by post-1950s resort development, which boosted appeal for seasonal habitation without significantly expanding year-round infrastructure.

Socioeconomic Characteristics

Duck Key's population is predominantly White. According to the 2020 Decennial Census, approximately 86% of residents identified as White, 7% as Black or African American, 5% as Hispanic or Latino, and smaller percentages for other groups. In 2000, the median household income in Duck Key was $39,125, while 16.6% of the population lived below the poverty line. By 2023, the median household income had increased substantially to $145,547, driven by tourism-related affluence in the Florida Keys, though seasonal employment patterns contribute to ongoing economic vulnerabilities for a portion of residents. The poverty rate stood at 15.76% in recent estimates. Housing in Duck Key consists largely of owner-occupied vacation homes, reflecting its status as a resort destination. Median home values surpassed $1,000,000 by 2023, with recent sales averaging around $735,000. This aligns with broader trends in Monroe County where leisure and hospitality industries account for over 50% of jobs.

Government and Economy

Local Administration

Duck Key is an unincorporated census-designated place (CDP) within Monroe County, Florida, and therefore operates without its own independent municipal government. Governance is provided directly by the Monroe County Board of County Commissioners, which administers policies, services, and regulations for the community as part of the broader unincorporated areas of the county. This structure ensures coordinated oversight across the Florida Keys, aligning local needs with county-wide priorities such as environmental protection and infrastructure maintenance. Essential public services in Duck Key are delivered through county agencies, with no dedicated local mayor or council. Law enforcement is managed by the Monroe County Sheriff's Office, a state-accredited agency that patrols and responds to incidents throughout the Florida Keys, including Duck Key. Fire protection and emergency medical services fall under Monroe County Fire Rescue, which operates nine stations across the county; Station 17 specifically serves Duck Key and the adjacent Conch Key area. Utilities oversight, encompassing water supply and wastewater management, is handled by the county in partnership with the Florida Keys Aqueduct Authority (FKAA), ensuring compliance with regional standards for resource conservation. Land use regulations in Duck Key are enforced via the Monroe County Land Development Code, which designates zoning to safeguard the island's primarily residential landscape while accommodating low-impact tourism activities, such as vacation rentals in approved districts like Suburban Residential (SR). These rules limit density and intensity to preserve natural habitats and coastal aesthetics, reflecting the county's commitment to sustainable development in the Florida Keys Area of Critical State Concern. Wastewater challenges, exacerbated by the island's geography and prior reliance on individual septic systems, were mitigated through county initiatives post-2004; the FKAA assumed operation of the Duck Key Wastewater Treatment Plant in 2006, followed by capacity expansions in 2012 to handle regional flows more effectively and reduce environmental risks from onsite disposal. In the broader political framework, Duck Key residents are represented in Florida's 28th Congressional District, which encompasses all of Monroe County. For elections, the community is assigned to voting precincts within the nearby Marathon area, facilitating access to polling sites managed by the Monroe County Supervisor of Elections.

Economic Activities

Duck Key's economy is predominantly driven by tourism and hospitality, with the Hawk's Cay Resort serving as the central hub for visitor activities and employment. Spanning 60 acres between the Atlantic Ocean and the Gulf of Mexico, the resort offers 177 guestrooms and 200 villas, accommodating a wide range of travelers seeking relaxation and adventure. Its amenities include 20,000 square feet of indoor and outdoor meeting and event space that hosts meetings and events, supporting business tourism in the region. The resort's marina, rebuilt after Hurricane Irma with 66 slips for vessels up to 92 feet, facilitates boating and fishing charters, drawing anglers and water enthusiasts year-round. These operations generate seasonal employment peaks, particularly during winter high season, contributing to the local workforce's resilience following the 2017 storm's disruptions. Key businesses within the resort ecosystem include dining venues such as Angler and Ale, a casual marina-side restaurant specializing in fresh seafood and craft beers, and the former Sixty-One Prime, an upscale steakhouse that operated until its closure in recent years. Additional attractions like the Calm Waters Spa, offering massages and treatments, and the Dolphin Connection program, where visitors interact with bottlenose dolphins in a controlled lagoon, enhance the hospitality offerings and create diverse job opportunities in service and entertainment. Supporting activities, such as guided fishing trips and snorkeling excursions, further bolster the tourism infrastructure, with the resort's post-Irma $50 million renovation—including updated rooms and public spaces—solidifying its role in economic recovery and growth. Duck Key contributes to the broader Florida Keys tourism economy, which generated approximately $2.2 billion in visitor spending in 2019, underscoring the island's reliance on seasonal influxes for revenue. This sector elevates local socioeconomic characteristics, with tourism-related jobs helping to sustain higher median incomes amid the area's affluent visitor base. The real estate market reflects this dynamic, featuring high-value vacation homes with a median listing price of $925,000 as of September 2025, driven by demand for waterfront properties that complement the resort's appeal.

Infrastructure

Education

Duck Key lacks educational facilities on the island owing to its small size and population of 727 residents (2020 census; estimated 758 as of 2025), primarily consisting of vacation homes and seasonal occupants. Residents depend on the Monroe County School District for public education services. Students in grades K-8 from Duck Key are zoned to Stanley Switlik Elementary School, located in nearby Marathon, approximately 13 miles away. The district provides bus transportation for eligible students to and from this school, ensuring access despite the island's remote location. For grades 9-12, high school students attend Marathon Middle High School, also in Marathon and served by the same transportation system. Higher education options are available through The College of the Florida Keys, a public community college with its Middle Keys Center campus in Marathon, roughly 13 miles from Duck Key, offering associate degrees and vocational programs. The Monroe County School District incorporates marine science programs across its schools, capitalizing on the Florida Keys' unique coastal ecosystem, such as field-based learning in ocean studies; however, no dedicated educational initiatives are specific to Duck Key. Enrollment from the community remains low, influenced by its predominantly older, seasonal demographic with few school-age families.

Transportation and Utilities

Duck Key is primarily accessible by road via U.S. Highway 1, known as the , located at mile marker 61 between Marathon and . The highway connects the island to the mainland via a series of bridges and causeways, with limited public transit available along the at the island's entrance via the Keys Shuttle; residents and visitors rely mainly on personal vehicles, rental cars, or private shuttles for transportation. This road infrastructure plays a crucial role in supporting the local by facilitating easy access for visitors to resorts and attractions. Ongoing bridge replacement projects, including the Harbour Drive and Seaview Drive bridges, are scheduled for completion by late 2025 to enhance resilience against hurricanes. For air travel, the nearest local airport is Florida Keys Marathon International Airport, approximately 10 miles south of Duck Key, offering general aviation and limited commercial flights. The primary major airport serving the region is Miami International Airport, about 80 miles north, which provides extensive domestic and international connections for longer-distance travelers. Water access is supported by the Hawks Cay Resort Marina, featuring 66 slips for recreational boating with full hookups, fuel, and dockside services; the marina is undergoing renovation and is set to reopen in December 2025, though there is no commercial port on the island. Electricity in Duck Key is provided by the Florida Keys Electric Cooperative, a not-for-profit utility serving the Florida Keys with power purchased from Florida Power & Light and distributed without markup. Water services are managed by the Florida Keys Aqueduct Authority (FKAA), which delivers approximately 22 million gallons of treated drinking water daily to the Keys from sources including the Biscayne Aqueduct. Wastewater treatment is handled by the Duck Key Wastewater District, operated by the FKAA since 2006, with a facility upgraded in 2012 to process about 138,000 gallons per day and remove 97% of nutrients; many properties still use septic systems, which have seen county-mandated upgrades since 2004 to enhance environmental protection. Due to the area's hurricane vulnerability, resorts like Hawks Cay maintain on-site generators for backup power. Hurricane Irma in 2017 severely disrupted utilities across the Florida Keys, including Duck Key, causing widespread power outages as the storm made landfall as a Category 4 hurricane with 132 mph winds and up to 8 feet of storm surge. The Florida Keys Electric Cooperative restored power to most customers within days, re-energizing the main transmission line from the mainland by September 12, thanks to pre-storm preparations and mutual aid from other utilities. In response, infrastructure improvements have focused on resilience, including elevated utility systems and enhanced wastewater facilities to better withstand future storms.

References

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