Access and hours vary from one island to the next. Please read the information provided below to plan your next visit.
Some access has changed due to precautions around COVID-19.
Spectacle and Georges Islands will be open for visitation in the 2021 season. Click here to view ferry schedules.
Thompson Island is closed to visitation, except for those participating in Outward Bound programming.
Worlds End is open by advance reservation only.
Park moorings are open by reservation. Boaters are advised that there are no services on islands not being served by public ferry.
Limited Access Islands
The Boston Harbor Islands are home to various wildlife. Many islands have limited access during bird breeding season from April through August, including Rainsford and Snake Islands, islands in Hingham Harbor (Sarah, Langlee, Ragged, and Button Island) and the outer islands (the Brewsters, Calf, Little Calf, and Green Island).
Prohibited Access Islands
Long, Gallops, Moon, Little Brewster, and The Graves are closed to public access.
Access By Private Boat
Visitors may travel to the park via private watercraft. Passenger drop-off at island floats is allowed with anchorage nearby. Always yield to park ferries. Visit the boating page for more information.
Welcome Center
Visit the Boston Harbor Islands National and State Park Welcome Center on the Rose Kennedy Greenway at:
191W Atlantic Ave
Boston, MA 02110
Welcome Center Hours, 2021:
- 9:30am-3pm: Friday-Sunday, June 5 – June 20
- 9:15am-4pm: Wednesday – Sunday, June 25 – September 6
- 9:30am-4pm: Thursday – Sunday, September 9 – September 19
- 9:30am-3pm: Friday – Sunday, September 24 – October 10