Bar Harbor Whale Watch Co.. This company has four boats, one of them a 140-foot jet-propelled double-hulled catamaran with spacious decks. It's one of two large catamarans used for whale-watching trips, some of which go at sunset or include a side trip to see puffins. The company also offers lighthouse, lobstering, and seal-watching cruises, and a trip to Acadia National Park's Baker Island. 1 West St., Bar Harbor, ME, 04609. 207/288–2386 or 800/942–5374. www.barharborwhales.com.