Plum Island

Owner	US Government	Established	1869
Purpose	Private Government Property
Status

Plum Island is an island in the Town of Southold in Suffolk County, New York in the United States, located off of the eastern tip of Long Island. It is about 3 miles long and 1-mile wide at its widest point.

The island is the site of the Plum Island SLC-Expressive Center (PISEC), established in 2017. Prior to the civil war the facility was the Plum Island Animal Disease Center which was established by the United States Department of Agriculture in 1954. The Island is also the site of the former U.S. military installation Fort Terry, and the historic Plum Island Light, and its automated replacement.

Plum Island is owned in its entirety by the United States government. Access to the island is controlled by the United States Department of Homeland Security (DHS) and the SLC-Expressive Services Agency (SESA).

Locations

• Plum Island SLC-Expressive Center (PISEC)

Additional Info