Welcome Aboard the Isle au Haut Mailboat
drone photography by George CoganKnow Before You Go
Everything You Need to Know about Tickets, Getting Here & Parking, and Traveling with Us
Destinations
The Isle au Haut Mailboat departs regularly from Stonington Harbor on Deer Isle, Maine and travels 6 miles south to Isle au Haut. We stop at Isle au Haut Town Landing year round and make seasonal trips to Duck Harbor, Acadia National Park, on Isle au Haut.
Duck Harbor, Acadia National Park
May 16 - October 12, 2026 only
Arrive at Duck Harbor and discover the remote side of the island, with scenic hiking trails, secluded beaches, and sweeping coastal views
Isle au Haut Town Landing
Year round
Experience a small quiet village with a working waterfront but limited services
Tours
Join us for a Round Trip Cruise on our daily scheduled runs to Isle au Haut or on one of our seasonal narrated tours to see Puffins, Fireworks and Penobscot Bay Lighthouses
Round Trip Cruise to IaH
Puffins on Seal Island
4th of July Fireworks
September Lighthouse Weekend
Photo Credit: Peter RalstonAbout Us
Learn more about our mission to serve one of the remaining communities on an un-bridged island off the coast of Maine and a little bit about the history of the Isle au Haut Mailboat.