Islandia, FL -- U.S. city in Florida Population (2000): 6 Housing Units (2000): 5 Land area (2000): 6.452033 sq. miles (16.710688 sq. km) Water area (2000): 59.941466 sq. miles (155.247678 sq. km) Total area (2000): 66.393499 sq. miles (171.958366 sq. km) FIPS code: 34175 Located within: Florida (FL), FIPS 12 Location: 25.388299 N, 80.236180 W ZIP Codes (1990): Note: some ZIP codes may be omitted esp. for suburbs. Headwords: Islandia, FL Islandia