Miramar Beach, Florida, United States [CDP]; population was 1,644 in 1990; housing units was 3,834 in 1990; location is 30°23'N 86°22'W; land area is 4.60 square miles (2,947 acres); water area is 0.11 square miles (73 acres); FIPS code is 46000 [SourceCBP]