Outer Barrier

The Outer Barrier, also known as the Long Island and New York City barrier islands, refers to the string of barrier islands that divide the lagoons south of Long Island, New York from the Atlantic Ocean. These islands include Long Beach Barrier Island, Barnum Island, Jones Beach Island, Fire Island and Westhampton Island. The outer barrier extends 75 miles (121 km) along the South Shore of Long Island, from the Rockaway Peninsula in New York City to the east end of Shinnecock Bay in Suffolk County.

The lagoons enclosed by the barrier islands are Jamaica Bay, Brosewere Bay, Hewlett Bay, Reynolds Channel, Middle Bay, East Bay, South Oyster Bay, Great South Bay, and arms of the Great South Bay that have their own geographic names: Great Cove, Nicoll Bay, Patchogue Bay, Bellport Bay, Narrow Bay, Moriches Bay, Quantuck Bay, Tiana Bay, and Shinnecock Bay. East Rockaway Inlet, Jones Inlet, Fire Island Inlet, Old Inlet, Moriches Inlet, and Shinnecock Inlet pierce the barrier, forming the individual sandy islands. The resort communities of Atlantic Beach, Long Beach, and Westhampton Beach; the Fire Island National Seashore, Robert Moses State Park, Jones Beach State Park, and other recreational areas are found there. The low-lying islands are subject to wave erosion, and, during storms, they are sometimes inundated and cut through.^{[citation needed]}

Coney Island, Plumb Beach, Barren Island, several smaller islands in Jamaica Bay, and parts of what is now the Rockaway peninsula formerly comprised the westernmost Outer Barrier islands. Of these, Coney Island was the westernmost island. Most of these islands were either connected to mainland Long Island or combined with each other in the early 20th century.

Long Beach Barrier Island lies off the south shore of Long Island. The island is shared by the hamlet of Atlantic Beach to the west, the city of Long Beach and the hamlet of Lido Beach in the central part of the island, and the hamlet of Point Lookout at the eastern end of the island. (The three hamlets — Atlantic Beach, Lido Beach, and Point Lookout — are part of the town of Hempstead, New York.)

Within its section of the barrier island, the city of Long Beach spans the entire north-south width of the island, fronting on both Reynolds Channel to the north and the Atlantic Ocean to the south. A drawbridge, the Long Beach Bridge, connects it to Island Park, a small island which lies between Long Beach and the mainland of Long Island. To the west, the Atlantic Beach Bridge connects the island to Lawrence on Long Island. The Loop Parkway, located to the east where Lido Beach and Point Lookout border one another, connects the island to Jones Beach.

Jones Beach Island is a barrier island off the southern coast of Long Island in the U.S. state of New York. It is named for the father of historian Thomas Jones. It is sometimes referred to as Oak Beach Island, and the former home of the infamous Oak Beach Inn. It is separated from Long Island by Great South Bay. The island straddles the county line between Nassau and Suffolk counties and includes the census-designated places of Gilgo, Oak Beach, and Captree.

The southern side of the island is known for its beaches that face the open Atlantic Ocean. Jones Beach State Park, on the western tip of the island is a summer recreational destination for the New York City area.

It is accessible from Long Island on its western end by the Meadowbrook Parkway to Merrick, New York, the Loop Parkway to Long Beach, New York and the Wantagh Parkway to Wantagh, New York. Its eastern end is linked to Babylon, New York as well as to Fire Island, New York by the Robert Moses Causeway via the Great South Bay Bridge and the State Boat Channel Bridge. The Ocean Parkway connects all three causeways and runs the length of the island, while The Fire Island Inlet Bridge continues on the Robert Moses Causeway finding its way to the New York's Fire Island on the Atlantic Ocean.