Set out on a thrilling aquatic adventure with this rib tour for two around the beautiful white cliffs of dover begin with a short safety briefing before boarding the rib and setting off from dover marina learn about the rich history of dover harbour and see awesome cruise ships and cross channel ferries up close sail out to langdon bay and take in areas of natural beauty only visible from the water see the castles hear stories of smuggling and the infamous deal boatmen recounted sail past