Seabrook Island, South Carolina, United States [Town]; population was 948 in 1990; housing units was 1,692 in 1990; location is 32°35'N 80°11'W; land area is 6.07 square miles (3,887 acres); water area is 1.00 square miles (642 acres); FIPS code is 64712 [SourceCBP]