SUP stands for Stand Up Paddleboarding, a water activity that originated in Hawaii.It is a water activity that originated in Hawaii, and it is a great way to enjoy the openness of the water and the view from the high vantage point of the SUP board.The paddle board is slightly larger than a surfboard, and you stand on the board and paddle around on the water.The tour will take you to Yunoshima Island, which is located in front of Sunset Beach Asamushi.A guide and instructor will be with you, so even first-timers can enjoy the tour with peace of mind.