Off the coast of Hancock County, nestled in the heart of Penobscot Bay, Isle au Haut, Maine (ZIP code 04645) offers a breathtaking blend of rugged coastline, forested trails, and rich maritime heritage. Accessible primarily by ferry, this island community is a haven for hikers, paddlers, nature lovers, and those seeking true seclusion. With a portion of Acadia National Park located on the island, Isle au Haut delivers an unmatched wilderness experience surrounded by the quiet rhythms of the sea.
Top Things to Do on Isle au Haut, Maine
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Acadia National Park (Isle au Haut Section) – Hike over 18 miles of remote trails through spruce forests, cliffs, and beaches, with fewer crowds than the mainland park.
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Duck Harbor Mountain Trail – A moderately challenging hike with panoramic views of the bay and surrounding islands.
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Long Pond – A freshwater lake perfect for kayaking, picnicking, or a refreshing swim.
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Boom Beach – A unique rocky beach where waves crash with thunderous sound—great for picnics and exploration.
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Eastern Head Trail – A scenic loop with coastal cliffs, seabird sightings, and opportunities for solitude.
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Light Station at Robinson Point – Visit the Isle au Haut Lighthouse and adjacent inn for a historic and photogenic stop.
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Paddle Penobscot Bay – Kayak along the shoreline or to nearby islets for a peaceful marine adventure.
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Star-Gazing – With no light pollution, the island’s night sky offers incredible views of constellations and the Milky Way.
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Island Trails and Roads – Walk or bike the quiet back roads and scenic trails connecting the village and parks.
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Visit the Town Landing – Watch boats come and go, chat with locals, or just soak in the harbor life.
Historical Background of Isle au Haut, Maine
Incorporated in 1874, Isle au Haut (French for "High Island") was named by French explorer Samuel de Champlain for its elevated appearance from the sea. The island was long home to Native American communities and later became a seasonal fishing hub and lobster village. Over the years, Isle au Haut attracted summer rusticators, artists, and naturalists, and today remains one of Maine’s most unspoiled coastal treasures.
Acadia National Park began purchasing land here in the early 20th century, preserving nearly half the island for future generations.
Lodging Options on and Near Isle au Haut
Accommodations are few but charming—ideal for a quiet stay:
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The Keeper’s House Inn – A remote, all-inclusive inn at Robinson Point Lighthouse with oceanfront views and rustic elegance.
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Private Cottages – A limited number of seasonal rentals are available through local owners and booking platforms.
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Camping at Duck Harbor – Primitive campsites managed by Acadia National Park; reservations required (seasonal only).
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Stonington (mainland) – Nearby lodging options in this mainland port town include inns, B&Bs, and motels for day-trippers.
Dining Options on Isle au Haut
Dining is extremely limited on the island itself:
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Isle au Haut Café & Market – A small seasonal café and general store offering sandwiches, snacks, and supplies.
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Bring Your Own Meals – Most travelers bring food or arrange meals with their lodging, especially for longer stays.
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Mainland Options (Stonington) – Before or after your ferry ride, enjoy seafood at Fisherman’s Friend Restaurant or Aragosta at Goose Cove.
Key Census Insights for Isle au Haut, Maine
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Population: Fewer than 100 year-round residents.
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Seasonal Population: Increases significantly in summer months due to tourism and part-time residents.
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Housing: Primarily historic homes, seasonal cottages, and park-owned property.
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Lifestyle: Quiet, remote, self-reliant, and deeply tied to nature and maritime culture.
Answers to the Top Search Queries About Isle au Haut, Maine
1. Where is Isle au Haut located?
In Penobscot Bay, off the coast of Deer Isle, accessible by ferry from Stonington.
2. Is there a ferry to Isle au Haut?
Yes, the Isle au Haut Boat Services offers passenger ferry service from Stonington, with seasonal routes to Duck Harbor.
3. What’s the ZIP code for Isle au Haut?
04645.
4. Can you visit Acadia on Isle au Haut?
Yes—about half the island is part of Acadia National Park, with miles of trails and camping opportunities.
5. Are there cars on Isle au Haut?
Yes, but very few. Most visitors walk or bike. Island residents use vehicles for daily life.
6. Is there cell phone service or Wi-Fi?
Service is limited. Some areas offer Wi-Fi, especially at accommodations or the town landing.
7. Are there stores or restaurants?
There is a small café and general store, but visitors are advised to bring supplies or pre-arrange meals.
8. What is the island known for?
Isle au Haut is famous for its remote beauty, Acadia trails, and historic lighthouse.
9. Can you kayak around the island?
Yes, experienced kayakers can explore the shoreline, but conditions can be challenging—be prepared.
10. Is the island pet-friendly?
Pets are allowed, especially on public lands and trails, but should be kept under control.
Summary: Why Visit Isle au Haut, Maine?
Isle au Haut is a destination unlike any other in Maine. It’s where time slows, trails beckon, and the sea surrounds you at every turn. With its dramatic coastal cliffs, serene forests, and pristine lakes, the island offers a rare opportunity to experience both solitude and raw natural beauty.
Whether you’re hiking through Acadia, relaxing at a lighthouse inn, or camping under star-filled skies, Isle au Haut provides a deeply personal and unforgettable encounter with the wild side of Maine. It’s not just a place to visit—it’s a place to disconnect, reflect, and return changed.