The M/V Island Queen and the M/V Seguin provide seasonal service between Southwest Harbor/Manset to the Cranberry Islands.

Visitors to the Campobello area who wish to continue on to the New Brunswick mainland can save nearly 100 driving miles by hopping on the M.V. "Island Hopper." Save nearly 50 driving miles from the Eastport area aboard the M.V. "Fundy Trail."

Passenger and freight service between Stonington and Isle au Haut, excursions for sightseers, on island bicycle rentals, and seasonal service to Acadia National Park at Duck Harbor.