Gateway National Recreation Area is a 26,607 acre (105 kmē) recreation area owned by the United States government in the New York City metropolitan area. The park comprises four separate units located in three boroughs of New York City and northern New Jersey and is operated by the National Park Service. Three of the four units include popular swimming beaches. The area drew 8.5 million visitors in 2003.
Jamaica Bay Unit is located on several dozen islands in Jamaica Bay, a tidal estuary on the south part of Brooklyn and Queens. The unit has a visitors center accessible by automobile, but most of the islands are accessible only by watercraft. This is the only unit that does not have beaches.
Staten Island Unit is located on the south shore of Staten Island within Lower New York Bay. It includes Miller Field, a former airfield south of New Dorp, as well as Great Kills Park on Great Kills Harbor. Also within this unit are Hoffman and Swinburne Islands.
Sandy Hook Unit is in northern New Jersey, emcompassing Sandy Hook which also includes Gunnison Beach the only Clothes Optional/Nude beach located in a National Park Service facility.