New York City, New York, United States

New York City has over 28,000 acres (110 km2) of municipal parkland and 14 miles (23 km) of public beaches. This parkland is augmented by thousands of acres of federal and state parkland.
National Park System
Gateway National Recreation Area; the New York State portion includes the Jamaica Bay Wildlife Refuge in Brooklyn, over 9,000 acres (36 km2) of salt marsh, islands and water that covers most of Jamaica Bay. Fort Wadsworth in Staten Island with historic pre-Civil war era Battery Weed and Fort Tompkins and Great Kills Park also on Staten Island with beaches and Great Kills Harbor.