Welcome to Marine Diving WEB
All about scuba diving in JAPAN!
"Marine Diving WEB" is Japan's largest scuba diving website, with 1.25 million users. We provide diving information not only for Okinawa but also for the Izu Peninsula and other regions.
Japan's seas offer exciting opportunities to encounter large marine creatures such as manta rays, barracuda, hammerhead sharks, and whale sharks, as well as vibrant coral reefs and colorful small fish.
We invite you to explore Japan's underwater world with the help of "Marine Diving WEB." We also recommend diving shops for your convenience. For reservations or inquiries, please contact the diving shops directly and mention that you found them through "Marine Diving WEB."
So, let's go diving in Japan's beautiful seas!
News & Topics
- You can see pygmy seahorse in Tago, Izu penisula, a three-hour drive from Tokyo!
- 2026.01.06
- ocean info
- Great Photographers in Japan-Ikuo Nakamura
- 2025.12.18
- updates
- Great Photographers in Japan-Junji Takasago
- 2025.12.18
- updates
- Diving in Osezaki - Fish paradise in the west of the Izu Peninsula,overlooking Mt. Fuji
- 2025.12.18
- updates
- Kashiwajima, one of Japan's top 10 most popular diving areas, is in its best season!
- 2025.11.14
- ocean info
















