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Beautiful, relaxed Yonaguni is Japan’s most south-westerly point and a world away from the hutle and bustle of Tokyo.

Underwater, Yonaguni is home to a unique and mysterious underwater monument that has divided scientific opinion. The Iseki stones are huge, pyramid like structures thought to be part of an ancient Japanese civilisation, dating back thousands of years. Whether this is man-made or a natural phenomenon, the stones provide an out of this world diving experience. An impressive and unusual sight, the area also has plenty of stunning marine life.

Highlights of which are hammerhead sharks (Nov-Jun) cuttlefish, marlin and sometimes whale sharks (Jan-Jun). Yonaguni is one of the biggest secrets in the diving world, full of mystery and marine life. A dive site not to miss.

View suggested itineraries

Key info

  • Ideal for viewing: scalloped hammerhead shark, common cuttlefish, whale shark, spotted eagle ray

Dive trips

This dive location is featured in the following itineraries:

BIG in Japan

Explore Tokyo and relax on the white sandy beaches of Ishigaki, Okinawa and Yonaguni Islands, where you can dive healthy reefs and encounter manta rays, hammerhead sharks and an underwater city. This is a BIG tour of Japan!

  • When to go: Jan-Dec
  • Duration inc. flights: 15 days
  • Trip type: Tailor-made trip idea

Visit Japan

A shorter version of our Big in Japan itinerary, allowing you to explore Tokyo and dive Yonaguni, famous for its hammerhead sharks, stunning marine life and the mysterious Iseki stones.

  • When to go: Jan-Dec
  • Duration inc. flights: 11 days
  • Trip type: Tailor-made trip idea
Suggested accommodation is shown below. Please contact us for further recommendations.

Annexe Bamboo Villa

This property affords great views over the green hills and the sea of Yonaguni. It has just five rooms, including one in traditional Japanese style, and all have a large en suite bathroom with the most fabulous views.