Lakes by the Bay, Florida, United States [CDP]; population was 5,615 in 1990; housing units was 2,411 in 1990; location is 25°34'N 80°20'W; land area is 4.81 square miles (3,078 acres); water area is 0.14 square miles (92 acres); FIPS code is 38718 [SourceCBP]