Sea Princess Cruises, a Maine tradition since 1968.  Operating scenic nature cruises at 10 a.m., 1:00 p.m., 3:45 p.m. and a Sunset Dinner Cruise to the Islesford dock restaurant.  Also available for private charters.  All trips depart from the Northeast Harbor Marina. scenic nature cruises, sightseeing, boat tour, private charter, departs Northeast Harbor