Gardiners Island is a small
island in the Town of
East Hampton,
New York, in Eastern
Suffolk County. It is located in
Gardiners Bay between the two
peninsulas at the East end of
Long Island. It is long, wide and has of coastline. The island has been owned by the Gardiner family and their descendants for nearly 400 years, and it is the only
American real estate still intact as part of an original royal grant from the
English Crown. It is one of the larger privately owned islands in the United States, but not the largest. It is of similar size to
Naushon Island in Massachusetts (although smaller than it), which is owned by the Forbes family.