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.
Lanes Island Lanes Island is a small uninhabited island on the south fork of Suffolk County on Long Island, New York. It is part of the Town of Southampton.