Once 25 acres, this island has been eroded away to less than 2 acres by wind and water.
Sheep Island has become a nesting ground for local birds. While a place for birding, visitation is strongly discouraged during nesting season.
This island of Boston Harbor Islands National and State Park is managed by the Massachusetts Department of Conservation and Recreation (DCR).
Visitor Facilities & Services
In the 1600s, the island covered more than 25 acres and was called "Round Island." The island was deeded to the town of Weymouth in 1636 and used for grazing sheep. In the 1800s, recreational camping parties used the island. A residence and hunting lodge were constructed then abandoned. The island has eroded to three acres.
Natural History Overview
Sumac and other grasses can be found on the island.
Please see Animals page for more information.
Eroded glacial drumlin with rocky shore, elevation 10 feet.
Views and Vistas
From the island, one can see Hough's Neck, Hull, Bumpkin, Grape, Nut, Peddocks, and Slate Islands.
Last updated: November 30, 2023