Clayton Island Tours offers the most unique boat tour in the 1000 islands!  Scheduled boat tours early May to mid October to Boldt Castle on Heart Island, Rock Island Lighthouse on a Glass Bottom Boat tour to Rock Island, Islands Lighthouses and Castle Tours, Discover the 1000 Islands Tours, Sunset Tours, and so much more!  Charters available for special events, corporate events, weddings, island shuttles, wine and cheese cruises, or anything you wish to celebrate on the St. Lawrence River!