Yonaguni Island, Underwater Ruins Tour

(1) Easy to go on a day trip!

The underwater ruins of Yonaguni Island are located just 100 m offshore from the headland of the Shinkawabana breakwater.

It is one of the few underwater ruins in the country, though,Accessible by boat from the port in about 20 minutes.I'm glad to hear that... ♪

(2) No special permission is required! Feel history up close and personal!

Diving to enjoy the underwater ruins up close isNo special permits requiredand can be enjoyed by anyone.

What the ruins looked like back then, what kind of history they have traced... See for yourself and feel the scale of the ruins.

(3) Enjoy a variety of marine life and underwater ruins all year round

The sea of Yonaguni Island is influenced by the Kuroshio Current, and the charm of the four seasons spreads out.

From spring to summer, you can enjoy migratory fish such as dogtooth tuna and bigeye jacks, as well as bear clams!

We also recommend the special winter season unique to Yonaguni Island. During this season,hammerhead sharkThis is a valuable experience for divers, as they can observe such things as

Since its discovery in 1986, this huge monolith, which is approximately 100 meters long, 60 meters wide, and 25 meters high, is still the subject of heated debate over whether it is the "artificially created remains of an ancient civilization" or "a landform formed by natural forces.

There are numerous right-angled stairways and terrace-like landforms that can only have been man-made, such as the Gusukumon (castle gate), Nibaiwa (boulder), and the main terrace.

(1) Diving (Fun Diving, Experience Diving)

Yonaguni Island is a sacred place for diving. Due to the deep average depth of the water and the fast currents, boat dives are the basic method of diving.

There are many points in the "Underwater Ruins" that require intermediate or higher skills,Depending on the point and sea conditions, there are places where beginners and experience divers can enjoy diving.Therefore, even those who do not have a license may be able to try.

(2) Glass boat (semi-submersible sightseeing boat)

Semi-submersible sightseeing boats (such as the Jack Dolphin) are very popular with non-swimmers and children.

You can observe the entire underwater ruins and tropical fishes through the observation window in the basement of the ship without diving into the sea and with clothes on. The greatest attraction of this tour is that it can be enjoyed easily without getting wet!

Snorkeling

Snorkeling is an activity that can be enjoyed in the ocean more easily than experience diving.

Because of the depth of the water, it is not possible to touch the ruins directly, but the high transparency of the water allows visitors to clearly see the huge overall image of the underwater ruins even from the surface.

1) Hammerhead sharks

On the dive off Irizaki, the island's westernmost cape,hammerhead shark(red hammerhead shark) with a high probability of encounter.

If the tide is favorable, you may enjoy the sight of the "Hammer River," which flows like a river, passing right in front of you!

(2) marlin

Swordfish are large, fast-migrating fish with a long, sword-like upper jaw called a "rostrum. Swordfish fishing is very active on Yonaguni Island. It would be a very lucky experience if you could encounter a school of big fish!

(3) Migratory fish (dogtooth tuna, bigeye jacks, etc.)

The sea of Yonaguni Island becomes remarkably clear in summer. Large migratory fish appear one after another, and you will be able to enjoy the gorgeous sea.

four-banded napoleonfish (Napoleon wrasse, Labroides phthirophagus)

Napoleon fish, which are rarely seen, can be found lurking in the shadows of rocks in the waters of Yonaguni Island.

(5) Macro type (small creatures)

Summer is a relatively relaxing time to dive, and the abundance of small fish makes it a macro paradise. Find the creatures hidden in the unique terrain and enjoy it to the fullest.

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