MUMBLES SAILING SCHOOL Five Day Keelboat Courses sailing 18' dayboats that do not capsize, in the safety of Swansea Bay, Gower, Wales, United Kingdom. Following on from your five day sailing course with Mumbles Sailing School, join our associated sailing club for just 40 each year. Members can charter a club Sailfish 18' keelboat for just 5 per day to take family or friends sailing in Swansea ...