Highlight your Cape Cod vacation with an unforgettable cruise aboard the Mid-Cape's only Whale Watch sailing daily mid-April through October from Barnstable Harbor. For over 30 years, Hyannis Whale Watcher Cruises has provided whale watching eco-tours to Stellwagen Bank, ranked among the world’s top 10 places to see whales. Travel in safety and comfort on our state of the art vessel offering outside viewing decks, interior climate-controlled cabins, as well as a full service galley.