A long narrow island, 115 m. long by from 12 to 24 broad, belonging to New York State, off the shores of New York and Connecticut, from which it is separated by the East River and Long Island Sound. It is low, much of it forest and sandy waste land, with great lagoons in the S. The chief industry is market-gardening; fisheries and oyster-beds are valuable. Principal towns, Brooklyn, Long Island City, and Flushing.