Plum Island, Massachusetts is an island located off the northeast coast of Massachusetts, north of Cape Ann. It is a barrier island approximately 11 miles in length. The island is named for the wild beach plum shrubs that grow on its dunes. The island is located in parts of four municipalities in Essex County: the City of Newburyport, and the Towns of Newbury, Rowley.

Historical resources:

In preparation of Newbury, Massachusett’s 375th anniversary, a short history of Plum Island was produced.

Plum Island Lighthouse history

Recommended Reading

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