Saint John is an island in the Caribbean Sea and a constituent district of the United States Virgin Islands (USVI), an unincorporated territory of the United States. It is the smallest of the three main islands: Saint John, Saint Thomas, and Saint Croix. St. John is located in the Caribbean Sea about 4 miles east of Saint Thomas, the location of the territory's capital, Charlotte Amalie, and 4 miles south and west of Tortola, part of the British Virgin Islands. It is 50.8 km² (19.61 sq mi) in area and has a population of 4,197 (2000 census) blank">http://www.census.gov/Press-Release/www/2001/cb01cn172.html. Because there are no airports on St. John, there is only access to the island by boat. Ferry service runs hourly from St. Thomas and daily from Tortola; regular ferries are also available from _Virgin Gorda, Jost Van Dyke, and Anegada.
