Forest Island Park, Florida, United States [CDP]; population was 5,988 in 1990; housing units was 4,086 in 1990; location is 26°29'N 81°52'W; land area is 7.41 square miles (4,744 acres); water area is 0.40 square miles (256 acres); FIPS code is 23509 [SourceCBP]