Lauderdale-by-the-Sea, Florida, United States [Town]; population was 2,990 in 1990; housing units was 3,345 in 1990; location is 26°11'N 80°6'W; land area is 0.47 square miles (299 acres); water area is 0.57 square miles (368 acres); FIPS code is 39475 [SourceCBP]