West Islip, NY
West Islip is a hamlet and CDP, located in Suffolk County, New York, USA. Situated on the south shore of Long Island, the population of the CDP was 29,907 at the time of the 2000 census.
West Islip is located at 40°42′54″N 73°17′52″W / 40.715°N 73.29778°W / 40.715; -73.29778 (40.715008, -73.297746).
According to the United States Census Bureau, the CDP has a total area of 6.6 square miles (17.2 km²), of which, 6.2 square miles (16.1 km²) of it is land and 0.4 square miles (1.1 km²) of it (6.49%) is water.