South Gull Lake, Michigan, United States [CDP]; population was 1,453 in 1990; housing units was 855 in 1990; location is 42°23'N 85°24'W; land area is 1.31 square miles (841 acres); water area is 1.82 square miles (1,162 acres); FIPS code is 74975 [SourceCBP]