Mainepedia
Isle au Haut, Maine

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

Frequently Asked Questions

What is Isle au Haut known for?

Isle au Haut is known for its remote Acadia National Park district with less-visited oceanfront hikes and Duck Harbor campsites, dramatic granite headlands facing open ocean, and the scenic mail boat ride from Stonington.

How do you get to Isle au Haut?

Isle au Haut is reached by the daily mail boat from Stonington, which carries passengers and freight. Private boats must respect limited anchorage and park rules.

What activities are available on Isle au Haut?

Isle au Haut offers hiking the Duck Harbor loop and Eben's Head for big-water views, backcountry camping at the handful of reserved Duck Harbor sites, exploring the village with its landing, store, and lighthouse overlooks, and birding along granite shores.