Syosset is a hamlet in Nassau County in the northeastern section of the Town of Oyster Bay. The hamlet is unofficially divided between north and south Syosset, with being separated by the train station. Homes in north Syosset tend to be older with more character. South Syosset, homes tend to be more cookie-cutter, where you can find starter homes. Syosset also offers some townhouse and apartment living, inluding gated a condo complex and apartment rentals.
There are three main retail areas in Syosset: the downtown business district, shopping centers at Oyster Bay Road and South Woodbury Road, and the commercial strip on the east-west Jericho Turnpike.