New York Smithtown Smithtown is a hamlet and censusdesignated Haltom-City place on the North Shore of Long Island in the Town of Smithtown in Suffolk County, New York. The community is Greenland served by. Ronkonkoma New York Ronkonkoma Ronkonkoma is a hamlet and censusdesignated place in the Town of Islip in Suffolk COunty, New York. There are three elementary schools and one junior high school in. Hamptons & North Fork of Long Island. Hamptons insider s guide to Southampton, East Hampton, Westhampton Edgefield Beach, Montauk, Sag Harbor, Bridgehampton, and North Fork of Long Island, New York.