Boston Super Saver: Whale-Watching Cruise Plus Admission to New England Aquarium. Experience the best of New England’s marine wildlife on this Super Saver combo tour. Enjoy a 3-hour whale-watching cruise around the Stellwagen Bank National Marine Sanctuary. See humpback and fin whales, plus Atlantic white-sided dolphins and harbour porpoises with the help of a naturalist guide. Then discover more than 800 marine animals under one roof at the New England Aquarium. From seals and sea lions to sea turtles and stingrays, it’s one of the premier visitor attractions in Boston. Book and Save 12%! Boston Super Saver: Whale-Watching Cruise Plus Admission to New England Aquarium.