Antique Real Photo Postcard. The caption tells us this is a "harbor view" of Cotuit, Massachusetts although there is not much harbor to be seen through the trees. Card #824. Divided back, postmarked 1908 from Marstons Mills, MA. Condition: Very good condition. Comments: Cotuit is one of the villages of the Town of Barnstable on Cape Cod in Barnstable County, Massachusetts, United States. Located on a peninsula on the south side of Barnstable about midway between Falmouth and Hyannis, Cotuit is bounded by the Santuit River to the west on the Mashpee town line, the villages of Marstons Mills to the north and Osterville to the east, and Nantucket Sound to the south. Cotuit is primarily residential with several small beaches including Ropes Beach, Riley's Beach, The Loop Beach and Oregon Beach.