Boston Harbor Islands is a Partnership park. Operating hours and seasons vary.
Six islands, are accessible by seasonal ferry service as follows:
Ferries to Georges Island and Spectacle Island operate from
early-May to Columbus Day.
Ferries to Bumpkin Island, Grape Island, Lovells Island, and Peddocks Island operate from late-June to Labor Day.
Boston Light on Little Brewster Island is open on designated days for ranger-led tours from June to October.
Thompson Island is open to the general public on Sundays from Memorial Day to Labor Day.
Deer Island, Nut Island, Webb Memorial State Park, and Worlds End can be visited year-round by car.
Many other islands are accessible by private craft, but do not have docks. Public access is restricted at Gallops Island, Long Island, Moon Island, and The Graves. Public Access is discouraged on Rainsford Island, Snake Island, Hingham Harbor islands and many of the "outer islands" during bird breeding season (April-August).
Visit bostonharborislands.org to plan your trip.