Murrells Inlet, South Carolina, United States [CDP]; population was 3,334 in 1990; housing units was 1,865 in 1990; location is 33°33'N 79°3'W; land area is 5.45 square miles (3,490 acres); water area is 0.22 square miles (143 acres); FIPS code is 48985 [SourceCBP]