Clayton Island Tours offers narrated St. Lawrence River tours in the Heart of the 1000 Islands for the general public. If you’re looking for a fun group outing or private party, we will create a custom private charter to suit your needs and make sure it’s a success. Join us on our regularly scheduled Thousand Island boat tours to Boldt Castle on Heart Island, Rock Island Lighthouse on Rock Island, Two Nation (US and Canadian Border is currently closed,) Sunset Cruise, Islands Lighthouses and Castle, and more. Check our ever-changing special events, including the Clayton Fireworks Cruises. Select your cruise below and book online! Moto coach Group Tours Welcome!