Belleair, Florida, United States [Town]; population was 3,968 in 1990; housing units was 2,286 in 1990; location is 27°56'N 82°49'W; land area is 1.80 square miles (1,152 acres); water area is 1.02 square miles (652 acres); FIPS code is 5075 [SourceCBP]