Inlet of the Atlantic Ocean.
It occupies about 20 sq mi (50 sq km) along the southwestern shore of Long Island , in southeastern New York, U.S. Part of the Port of New York, it is sheltered on the south by Rockaway Peninsula and connects with the ocean through Rockaway Inlet. Near the entrance channel is Coney Island . On the northeastern shore, at Idlewild, is the John F. Kennedy International Airport.