Work is done to stop erosion in front (Credit: Newsday / Bill Davis)

Work is done to stop erosion in front of the Plum Island lighthouse. (March 22, 2005)

Plum Island today

It's an 840-square-mile island in Long Island Sound, about 1.5 miles from Orient Point.

Plum Island is seen in an aerial photo
(Credit: Doug Kuntz )

Plum Island is seen in an aerial photo on May 20, 2010.

Visitors gaze at the shoreline on Plum Island.
(Credit: Ed Betz)

Visitors gaze at the shoreline on Plum Island. (Oct. 6, 2010)

A lighthouse stands on Plum Island. (Oct. 6,
(Credit: Ed Betz )

A lighthouse stands on Plum Island. (Oct. 6, 2010)

A structure that was part of an old
(Credit: Ed Betz)

A structure that was part of an old military installation is seen on Plum Island, Wednesday. (Oct. 6, 2010)

Birds and seals lounge on rocks off the
(Credit: Ed Betz)

Birds and seals lounge on rocks off the coast of Plum Island, Wednesday. (Oct. 6, 2010)

ADVERTISEMENT

ADVERTISE HERE
Seals lounge on rocks off the coast of
(Credit: Ed Betz)

Seals lounge on rocks off the coast of Plum Island, Wednesday. (Oct. 6, 2010)

Work is done to stop erosion in front
(Credit: Newsday / Bill Davis)

Work is done to stop erosion in front of the Plum Island lighthouse. (March 22, 2005)

The Plum Island Lighthouse was built in the
(Credit: Joseph D. Sullivan)

The Plum Island Lighthouse was built in the 1870s. (March 26, 2004)

An aerial view of the southwestern end of
(Credit: Newsday / Kathy Kmonicek)

An aerial view of the southwestern end of Plum Island. (1993)

The main building of the Plum Island Animal
(Credit: Newsday / David L. Pokress)

The main building of the Plum Island Animal Disease Center. (Feb. 16, 2004)

ADVERTISEMENT

ADVERTISE HERE
The Plum Island Animal Disease Center is part
(Credit: AP)

The Plum Island Animal Disease Center is part of the Department of Homeland Security. (Feb. 16, 2004).

Aerial view of the The Plum Island Animal
(Credit: AP )

Aerial view of the The Plum Island Animal Disease Center. (June 1, 2003)