Boston Harbor map from the park brochures
Here is the official Boston Harbor Islands map from the park brochure, showing the lighthouses, docks, and visitor centers on the various islands in Boston Harbor that make up the park.
Boston Harbor Island maps
This is a Georges Island map, showing details of Fort Warren and the surrounding facilities and landscape such as the pier, intertidal zone, sea walls, shade shelters, and so on.
Here’s the Peddocks Island map, which has Fort Andrews, the visitor contact station, chapel, marsh, and the summer cottages strewn about this narrow island.
This Thompson Island map shows the Outward Bound Education Center along with the trails, vegetation, and ecosystems on the island. Thompson Island has a relatively large intertidal zone.
Here’s a Lovells Island map, showing beaches, campsites, piers, trees, salt marsh, batteries, and Fort Standish, including the various batteries: Williams, Whipple, Burbeck-Morris, Vincent, Terrill.
The Bumpkin Island map labels the campsites, trails, ranger facility, pier, and landscape on this small primitive island. It also labels the intertidal zone which may or may be underwater on your visit.
Boston Harbor Islands topo map

Boston Harbor nautical chart
The Boston Harbor nautical chart from NOAA is the only map here that can be used for boat navigation since it shows harbor depths. Click the image to view a full size map or download the PDF.
…and more!
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