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Mastic Beach

1. Mastic Beach, New York, United States [CDP]; population was 10,293 in 1990; housing units was 4,212 in 1990; location is 40°46'N 72°50'W; land area is 4.23 square miles (2,708 acres); water area is 1.08 square miles (691 acres); FIPS code is 46085 [SourceCBP]
2. Mastic Beach, New York, United States [Populated Place] is in Suffolk County; location is 40°46'0"N 72°51'9"W; elevation is 9 feet [SourceGSP]
3. Mastic Beach, New York, United States Postal Service Zip Code is 11951 [SourcePSZ]