At in size is administratively part (with Hassel Island) of the subdistrict of Water Island, in Saint Thomas District. Water Island is a residential island, with a population of 182 (2010 census) and no significant commercial establishments. A number of homes on Water Island are available to accommodate visitors. The main attractions are beaches, including Honeymoon Beach, plantation ruins, Fort Segarra, an underground fort partially constructed by the U.S. during World War II, and scuba diving site Supermarket Reef in Limestone Bay.