Discover the most amazing campgrounds in Massachusetts Default Order Alphabetically Sponsored Sun Retreats Peters Pond 185 Cotuit Rd, Sandwich, MA 02563 Cape Ann Campsite 80 Atlantic St., Gloucester, MA 01930 Indianhead Resort 1929 State Road, Plymouth, MA 02360 Bass River Trailer Park, Inc. 698 Willow St., Bass River, MA 02664 Walker Island Campground 27 Rte.20, Chester, MA 01011 Boston/Cape Cod KOA Kampground 438 Plymouth St, Middleboro, MA 02346 12