Experience the Boston Harbor IslandsDuring the summer, visit one of the seasonally-accessible islands: Spectacle Island, Georges Island, Peddocks Island, and Thompson Island (also known as Cathleen Stone Island). All year round, visit one of the mainland parks: Worlds End, Deer Island, Nut Island, and Webb Memorial State Park.
Explore One of the Boston Harbor Islands
Choose an island and plan your adventure!
Explore One of the Mainland Parks
Visit one of the four mainland parks! Ranger-led Programs
Specialty Programs
Self-Guided Activities
Youth Activities
All Things to Do |
Last updated: July 1, 2025