Ocean Pines, Maryland, United States [CDP]; population was 4,251 in 1990; housing units was 4,184 in 1990; location is 38°23'N 75°9'W; land area is 6.57 square miles (4,203 acres); water area is 2.57 square miles (1,646 acres); FIPS code is 58275 [SourceCBP]