Beachcomber Boat Tours Chatham Fish Pier/Stage Harbor/Ryde, Chatham, MA 02650, 508-945-5265, Specializing in seal watches and sunset cruises, Beachcomber is located in nearby Chatham and offers tours of Pleasant Bay and historic Chatham Bay, which is circumscribed by “magnificent homes,” as well as tours of a national wildlife refuge, and the observation of a great variety of seabirds and several species of seals.

Chatham Water Tours Stage Harbor, Chatham, MA 02633, 508-432-5895, Offering daily tours and private charters, this tour company features such choices as sightseeing, sunset, and seal watching cruises; cruises may also be booked for special occasions, such as meetings, weddings, birthday parties, and cocktail parties.