Center Moriches is a hamlet and census-designated place in Suffolk County, New York, United States. The population was 7,580 at the 2010 census. Center Moriches is in the town of Brookhaven. It is the location of the historic Masury Estate Ballroom and Terry-Ketcham Inn, both listed on the National Register of Historic Places.

Brookhaven, formally the Town of Brookhaven, is a large suburban town in Suffolk County, Long Island, New York. With a population of 488,497 as of 2022, it is the second most populous town in the United States and in New York and the third most populous community in the state.