Experience the grandeur and beauty of the 1000 Islands Region the Clayton Island Tours way. We offer public tours on the St. Lawrence River and include destinations like Boldt Castle on Heart Island and Rock Island Lighthouse on Rock Island. Our Group Department offers private charters and tours for Corporate Events, Weddings, Private Parties, shuttles, and Motorcoach tours. We are the 1000 Islands Premier Group Tour Planner and Receptive Service in the 1000 Islands!