Big Coppitt Key, Florida, United States [CDP]; population was 2,388 in 1990; housing units was 1,257 in 1990; location is 24°36'N 81°40'W; land area is 1.38 square miles (882 acres); water area is 0.42 square miles (271 acres); FIPS code is 6350 [SourceCBP]