High Quality Content by WIKIPEDIA articles! The Ocean Parkway is a 15.59-mile (25.09 km) long state parkway that traverses Jones Beach Island between Jones Beach State Park and Captree State Park on Long Island, New York. The Ocean Parkway begins at the southern terminus of the Meadowbrook State Parkway, intersects the south end of the Wantagh State Parkway, and ends just past the southern terminus of the Robert Moses Causeway. It is designated New York State Route 909D, an unsigned reference route.