Shelter Island Heights, New York, United States [CDP]; population was 1,042 in 1990; housing units was 1,250 in 1990; location is 41°5'N 72°21'W; land area is 5.36 square miles (3,428 acres); water area is 0.28 square miles (177 acres); FIPS code is 66850 [SourceCBP]