National Recreation Area · MA

Things to do in Boston Harbor Islands

The National Park Service lists 17 things to do at Boston Harbor Islands National Recreation Area. 15 have no extra fee, 14 need no reservation, and 6 allow pets. Each listing links to the full NPS page. Data is from the NPS snapshot of Oct 28, 2026.

Updated · NPS Data API

All (17) Junior Ranger Program (3)Self-Guided Tours - Walking (3)Hiking (3)Guided Tours (2)Arts and Culture (1)Camping (1)Citizen Science (1)Hands-On (1)Saltwater Swimming (1)Boat Tour (1)

Join a Stewardship Saturday Program

Join us for a Stewardship Saturday program! Work alongside park staff clearing invasive species, improving trails, and protecting important habitat areas.

Year-round Reservation required

Citizen Science

Swim in Boston Harbor

Cool off by taking a dip in Boston Harbor! Swim in Spectacle's designated swimming area.

Spring, Summer

Saltwater Swimming

People on a boat taking pictures or looking at a white lighthouse on a rocky island.
Photo: NPS Photo/Woods

Take a Lighthouse Cruise

Cruise Boston’s outer harbor to learn about navigational aids in Boston and the uses of the islands over time.

90-120 Minutes Summer Reservation required Fee applies

Boat Tour

Visit a Mainland Park

Made up of 34 unique islands and peninsulas, the Boston Harbor Islands have something for everyone. Choose a mainland park and plan your adventure!

Year-round Pets allowed

Hiking

A ranger walks along a gravel path on an island talking to two other people
Photo: NPS Photo/ C.Gould

Visit One of the Boston Harbor Islands

Made up of 34 unique islands and peninsulas, the Boston Harbor Islands have something for everyone. Choose an island and plan your adventure!

Spring, Summer, Fall

Hiking

Before you go

Check current alerts and closures, entrance fees and operating hours for Boston Harbor Islands. Programs and tours can change with the season or be cancelled on short notice — confirm on the NPS page before you plan around one.

Things to do at nearby parks

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