Ocean Navi

Ocean Navi signage during Tsugaru Channel and Sado Island crossings in Japan

On 5 September 2020, Ocean Navi swimmers Tomonari Ogino, Chika Nishibori, Miho Yonezawa, Syuji Nao, Kumiko Koizumi, Minori Tanaka, Toshihiko Manabe, Yasuko Takeda, Satoko Murata, and Ayaka Matsusihita with observer Masayuki Moriya and support crew Honma Motoko swim from Enoshima to Jogashima in 7 hours 11 minutes

Ocean Navi team with Hiroko Kasahara, Noriko Kimura, Kumiko Koizumi, Maki Sakamoto, Daisuke Tanaka, Mayumi Doi, Rei Yamazaki, Motoko Honma, and Masayuki Moriya after completing a 13 hour 40 minute 40 km crossing of the Sado Channel on 7 June 2016

Ocean Navi relay members Chika Nishibori, Kumiko Koizumi, Minori Tanaka, Syuji Nao, Hiroko Minami, Rie Tamai, Yuki Ysunoda, Tomoko Tamura, Syusei Uzawa and Kenji Kanbe with observer Masayuki Moriya and crew member Honma Motoko after crossing the 19.5 km Tsugaru Channel in 15 hours 16 minutes 17 seconds on 21 October 2020

Ocean Navi (オーシャンナビ in Japanese) is an open water swimming event management company headquartered in Tokyo, Japan directed by Masayuki Moriya. It offers swimming holiday tours and channel swimming opportunities.

Ocean-navi offers instruction and inspiration for triathletes and open water swimming as well as promotes and organizes open water swims, clinics, pool workouts, open water swimming training sessions, and tours throughout Japan, Asia and the Pacific Rim. Ocean Navi also arranges for solo and relay crossings of the Tsugaru Channel, one of the Oceans Seven channels. Under the direction of Masayuki Moriya, Ocean-navi provides local logistics services for the Tsugaru Channel Swimming Association.

WOWSA Awards

Ocean-navi was nominated for the 2013 World Open Water Swimming Offering of the Year award.

Masayuki Moriya

Coach Masayuki Moriya coached Team Ocean-navi to a world wetsuit relay record across the Tsugaru Channel on 11 July 2013 in 6 hours 44 minutes.

海で泳いでみませんか

マリンスポーツ、釣り、海水浴、クルージング等々、海での楽しみ方は無限にあります。そんな中でもオーシャンナビが提供していきたいのは、「オールラウンド海泳ぎ」夏海から川、沢、そして冬海、海外のリゾートビーチへ…と。一年中、国内・海外の海を堪能します。明るく・元気に・さわやかに、楽しみいっぱいの海を、ぜひぜひ多くの人が自由自在に泳いで楽しんでいただければなあと思います。もちろん海で泳ぐことを中心に、イルカと泳ぐドルフィンスイムやシュノーケリングなど、たくさんのイベントも満載です。