North Haven is a 2.7-square-mile island settled in 1665, north of Sag Harbor. Driving through North Haven is the only way to reach the South Ferry to Shelter Island. The village is served by the Southampton Town Police, Southampton Town Highway Department and Sag Harbor Fire Department. The current mayor is Laura Nolan.
The village board meets on the first Tuesday of the month at 5 p.m. at village hall. The zoning board of appeals, planning board and Board of Architectural Review & Historic Preservation also meet at village hall. The village has a small planning department and a part-time building inspector. North Haven Village Park is located behind the hall.