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Welcome to Sea Princess Cruises


Discover the treasure of Mount Desert Island’s southern shore on the Sea Princess’s unforgettable scenic nature cruises. Watch seals basking on East Bunker Ledge, see a bald eagle soar overhead, view historic homes, visit the quaint fishing village of Islesford on Little Cranberry Island, and take in the majestic splendor of Somes Sound Fjord’s mountain peaks and rugged shores. Each trip is a unique nature experience. Book in advance; tours often sell out!

Private Charters


Sea Princess is available for your special function. Whether it is transportation to the Cranberry Islands, the Islesford Dock Restaurant, a private narrated scenic cruise, or a catered party up Somes Sound Fjord, Sea Princess can make your event memorable. Contact us for details or to arrange a charter.

People Give Our Northeast Harbor Boat Tours 5 Stars!

Susan B profile photo Wonderful experience

Our tour guide, Mike, was knowledgeable and really interesting. He showed us eagles, seals, and other creatures. A very reasonably priced and wonderful afternoon.

– Susan B., TripAdvisor
Judy A profile photo Lovely cruise

We lucked out with perfect weather and totally enjoyed this cruise. Everything went smoothly and professionally. I definitely recommend Sea Princess cruises.

– Judy A., TripAdvisor
Nature cruise

This cruise was very enjoyable and accompanied by a knowledgeable and interesting ranger. Saw white tailed eagle, seals and harbor porpoises on our trip.

– Elaine M., TripAdvisor
Monica L profile photo Enjoyable cruise

The host was informative, had a nice sense of humor, and was always willing to answer questions. We enjoyed touring the Cranberry Islands. We highly recommend this tour.

– Monica L., TripAdvisor
Jody D profile photo Wonderful views

This was an amazing trip. The crew was informative, and we got a forty minute break on Cranberry Island. We saw seals and lots of birds. It was great.

– Jody D., TripAdvisor
Beverly C profile photo Super duper tour

This local cruise was suggested to us by a random tourist who raved about it. We immediately made a reservation for the three couples. The guide was excellent.

– Beverly C., TripAdvisor