Experience one of the best whale-sighting destinations in the world on this guided, 4-hour whale-watching cruise around the Stellwagen Bank National Marine Sanctuary. Hop on a high-speed catamaran that gets to and from the whales in the least amount of time possible. See humpback and fin whales, plus Atlantic white-sided dolphins and harbour porpoises with the help of a naturalist guide. The on-board galley offers hot meals, snacks and beverages for purchase during the trip.