Selden 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, residential neighborhoods, and local parks. The area has a mix of single-family homes and some commercial developments, making it a convenient place for families and commuters. The community is served by the Longwood Central School District, which provides educational opportunities for local children. Selden is also close to various amenities, including shopping centers and recreational facilities, contributing to its appeal as a family-friendly location on Long Island.