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.
Fire Island National Seashore Fire Island National Seashore (FINS) is a United States National Seashore that protects a 26 mi section of Fire Island, an approximately 30 mi long barrier island separated from Long Island by the Great South Bay. The island is part of New York State's Suffolk County.