Which Island is in the Town of Southold in Suffolk County, New York in the United States Plum Island or Block Island Sound?
Plum Island (New York) Plum Island is an island in the Town of Southold in Suffolk County, New York in the United States. The island is situated in Gardiners Bay, east of Orient Point, off the eastern end of the North Fork coast of Long Island. It is about 3 mi long and 1 mi wide at its widest point.
Dering Harbor, New York Dering Harbor is a village in the Town of Shelter Island, Suffolk County, New York, in the U.S. It is located on the north side of the island of Shelter Island, east of the hamlet of Shelter Island Heights. As of the 2010 census, the village population was 11, making it the least populated village in the State of New York.