Farmingville is a hamlet and census-designated place (CDP) in the town of Brookhaven, in Suffolk County, New York, United States.

Bald Hill, one of the highest points on Long Island, is located on the Ronkonkoma Moraine, where the glacier which formed Long Island stopped its advance.

At the top of Bald Hill is Vietnam Memorial Park, which includes an obelisk-shaped monument painted red, white, and blue, which was dedicated on Nov. 11, 1991.

[3] The Bald Hill Cultural Center features the outdoor Long Island Community Hospital Amphitheater and was previously the location of a ski area from 1965 to 1980.

[4] According to the United States Census Bureau, the CDP has a total area of 4.19 square miles (10.9 km2) – all of which is land.

11.8% of all households were made up of individuals, and 4.3% had someone living alone who was 65 years of age or older.

[10] The Sachem School District serves the residents of Farmingville, and Sachem High School East is located next to Brookhaven Town Hall on the east side of Bald Hill.