to
Update
is a hamlet (and census-designated place) in Suffolk County, New York, United States. The population was 11,543 at the 2000 census.
Mastic Beach residents are currently exploring the possibility of incorporating as a village.
, boundaries defined. The incorporation as a village will eventually be voted on by residents.
According to the United States Census Bureau, the CDP has a total area of 5.3 square miles (13.8 km²), of which, 4.2 square miles (11.0 km²) of it is land and 1.1 square miles (2.8 km²) of it (20.34%) is water.