In the wilderness surrounded by subtropical plants, you forget that you are in a situation where you can only hear the sounds of the creatures and the wind, and you have the illusion of time slipping back to the primitive times. Some people have a difficult image of SUP, but it is very simple and has great buoyancy, so you can enjoy it regardless of age and gender. ☆ Natural monument that is a mascot character of Akashibin and Ishigakijima in the Nakura River A great-spotted eagle, a fish shadow, and a harrisbong, mangrove jack, hermit crabs and crabs. Mangrove SUP activities take 2 hours to complete, and go deep into the mangrove jungle, which can only be entered at high tide. The feeling of exploration is also exciting in unexplored areas!