Video courtesy of Masayuki Moriya of Ocean Navi. Masayuki Moriya of Ocean Navi organizes all kinds of swims and ocean expeditions around Japan and the western Pacific Ocean. Some are competitions, some are solo channel swims, some are relays, some are sea expeditions. One of his recent sea expeditions was to Dogashima (西伊豆堂ヶ島) along the […]