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An isolated, sandy island, Muskeget Island, is part of the terminal moraine marking the maximum extent of the last glacial ice sheet to reach the northeastern coast. It is the only known locality where the Muskeget vole is found and is considered the southernmost breeding area for grey seal.
Location: Nantucket County, MA
Year designated: 1980
Ownership: Municipal, Private
Please remember, National Natural Landmarks (NNLs) are not national parks. NNL status does not indicate public ownership, and many sites are not open for visitation.
Last Updated: June 28, 2012