Hutchinson Island South, Florida, United States [CDP]; population was 3,893 in 1990; housing units was 5,700 in 1990; location is 27°19'N 80°12'W; land area is 4.51 square miles (2,888 acres); water area is 43.56 square miles (27,881 acres); FIPS code is 32993 [SourceCBP]