Isle au Haut, Maine
Remote Acadia outpost in Penobscot Bay
Overview
Roughly half of Isle au Haut is part of Acadia National Park, with quiet trails and limited camping at Duck Harbor. The year-round village is clustered around Isle au Haut Thoroughfare, and residents rely on Stonington for most goods and services.
Key Facts
Population 92
Region Downeast & Acadia
County Knox
Founded 1874
Nearest City Stonington (via mail boat)
What Isle au Haut Is Known For
Isle au Haut Local Highlights
Acadia on Isle au Haut
Less-visited park district with oceanfront hikes and remote campsites.
Mail boat ride
A scenic daily run from Stonington that carries passengers and freight.
Granite headlands
Dramatic cliffs, cobble beaches, and spruce ridges facing open ocean.
Things to Do
1
Hike island trails
Walk the Duck Harbor loop or Eben’s Head for big-water views.
2
Reserve Duck Harbor
A handful of backcountry sites offer a quiet Acadia experience.
3
Explore the village
Visit the town landing, store, and lighthouse overlooks.
Living in Isle au Haut
Ferry schedules, weather, and limited utilities shape daily life. Supplies and services come from Stonington.
Weather & Seasons
summer
Breezy, 55-70 F
winter
Windy and cold, 15-35 F
spring
Foggy and cool, 40-55 F
fall
Crisp, 45-60 F with ocean sunsets
How to Get There
Board the Isle au Haut mail boat in Stonington; private boats must respect limited anchorage and park rules.
Satellite preview shows the approximate town outline to help you get oriented before you arrive.
Satellite preview
Isle au Haut outline
Key Facts
Population
92
Region
Downeast & Acadia
County
Knox
Founded
1874
Nearest City
Stonington (via mail boat)