Mastic is a hamlet located in Suffolk County, New York, on Long Island. It is part of the Town of Brookhaven and is known for its suburban atmosphere and residential communities. The area features parks, schools, and local businesses, making it a convenient place for families. The hamlet is bordered by the Moriches Bay to the south and is close to other communities like Mastic Beach and Shirley. Mastic has a rich history, with roots dating back to the early 20th century, and it continues to develop as a growing residential area.