Barnum Island, New York

An aerial view of the E. F. Barrett Power Station (Island Park Energy Center) in Barnum Island shows one of Long Island's major electric generating facilities alongside the marshes and waterways of Reynolds Channel. The plant has long been a prominent landmark on Nassau County's South Shore and serves communities throughout the region. File photo: Audley C Bullock, licensed.
An aerial view of the E. F. Barrett Power Station (Island Park Energy Center) in Barnum Island shows one of Long Island’s major electric generating facilities alongside the marshes and waterways of Reynolds Channel. The plant has long been a prominent landmark on Nassau County’s South Shore and serves communities throughout the region. File photo: Audley C Bullock, licensed.

Barnum Island is a small hamlet and census-designated place (CDP) in the Town of Hempstead, Nassau County, located on the South Shore of Long Island. Situated between Oceanside, Island Park, and East Atlantic Beach, the community is surrounded by the waters of Reynolds Channel and nearby South Shore waterways. Although compact in size, Barnum Island offers a quiet residential setting with convenient access to beaches, boating, shopping, and New York City.

History

Barnum Island developed during the early twentieth century as surrounding South Shore communities expanded with improved transportation and suburban growth. Originally consisting largely of low-lying marshland and waterfront property, the area gradually evolved into a residential neighborhood connected to nearby Oceanside and Island Park. Today, Barnum Island remains an unincorporated hamlet while retaining its distinct waterfront character.

Waterfront Setting

Bordered by Reynolds Channel, Barnum Island enjoys close proximity to marinas, boat launches, fishing areas, and the Atlantic barrier beaches. Residents are only minutes from Long Beach, Jones Beach State Park, and other popular South Shore destinations, making the hamlet attractive for those who enjoy boating and waterfront recreation.

Living in Barnum Island

Barnum Island is primarily residential, with a mix of single-family homes situated along quiet neighborhood streets. While the hamlet itself contains few commercial businesses, residents rely on nearby Oceanside, Island Park, and Long Beach for shopping, dining, healthcare, and other everyday services. Its central South Shore location also provides convenient access to parks, schools, and recreational facilities throughout southwestern Nassau County.

Transportation

Barnum Island is accessible via Austin Boulevard, Long Beach Road, and the nearby Ocean Parkway and Loop Parkway. The closest Long Island Rail Road stations are located in Island Park and Oceanside, offering rail service to Jamaica and Penn Station. Nassau Inter-County Express (NICE) bus routes also serve the surrounding area.

Map of Barnum Island

Key Facts & Details

LocationTown of Hempstead, Nassau County, New York
Community TypeHamlet and census-designated place (CDP)
RegionSouth Shore of Long Island
Adjacent CommunitiesOceanside, Island Park, and East Atlantic Beach
Nearby WaterwayReynolds Channel
Nearest Railroad StationsIsland Park and Oceanside (Long Island Rail Road)
Known ForWaterfront neighborhoods, boating access, and proximity to Long Beach and Jones Beach
Primary School DistrictOceanside Union Free School District

Though small in size, Barnum Island offers residents the advantages of a peaceful waterfront community with easy access to some of Long Island’s most popular beaches, marinas, and recreational areas. Its location between Oceanside, Island Park, and Reynolds Channel makes it an appealing South Shore neighborhood for those seeking coastal living while remaining within commuting distance of New York City.

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