Trails at Straitsmouth Island
Explore 0.33 miles of trails at Straitsmouth Island Wildlife Sanctuary.
The island is open June-August: Please sign in at the Keeper House with the Thacher Island Association volunteer keepers.
Distance: 0.3 miles
Follow the main trail across the island from the boat launch to the lighthouse. Watch for nesting seabirds and wading birds such as Common Eider, Double-crested cormorant and little blue heron.