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A great adventure in the emerald green sea!
Experience Diving Tour on a Phantom Island

幻の島ダイビングツアー

Phantom Island (official name: Hamashima) appears only at low tide and sinks at high tide. This area isThe largest coral reef area in Japan'TheAlso known as "Shihsi Jagoho," it has attracted attention from around the world.

In this issue, we will introduce the appeal of diving and recommended tours to experience diving on "Phantom Island (Hamashima)!

Diving Attractions to Experience on a Phantom Island

Japan's top class coral reefs

幻の島ダイビングツアー

Around the Phantom Island is a place called Shihsi lagoon.One of the largest coral reef colonies in JapanThere are

There are about 400 types of coral found in Japan, but nearly 80% of them can be seen at Ishisei Lagoon!

幻の島ダイビングツアー

Other tropical fish, such as the clownfish made famous by "Finding Nemo" and the primary blue Luris sparrow, can also be enjoyed during the dive.

 

Experienced guides provide attentive support.

幻の島ダイビングツアー

Experience Diving" can be enjoyed even by those without a diving license.Diving tours for beginnersIt is!

Experienced guides provide careful support, so even beginners and those who are not good at swimming can participate with ease.

 

No need to bring anything!
All necessary equipment is available for rent

幻の島ダイビングツアー

All the necessary diving equipment is included in the tour fee, so all you need to bring is a swimsuit.No need to bring anythingIt is.

Please find a plan that suits you... ♪

Selected] Recommendation! Phantom Island Diving Tour

Enjoy the fantastic island in a half-day tour!
Landing on "Phantom Island" & Experience Diving Tour

幻の島ダイビングツアー

This plan includes a dive experience and landing on a mysterious island. Colorful corals and tropical fishes are beautiful, and we guide you to a calm point that even beginners can enjoy!

We recommend this half-day plan for easy planning. Those who arrive in the morning can also join in the afternoon.

 

You may see manta rays & sea turtles!
Experience Diving with Landing Tour on Phantom Island

幻の島ダイビングツアー

We will guide you to a premium day on Ishigaki Island, home to some of the world's best manta ray points!

Manta ray and sea turtle snorkeling & landing on a fantastic island! This is the highest level course with experience diving in coral reefs.

 

Beginner Specialist ★Includes landing on a phantom island
Experience Diving & Snorkeling Tour

幻の島ダイビングツアー

This plan includes landing on a fantastic island + experience diving & sea turtle snorkeling.

Instructors will give a thorough lecture and guide, so first-timers can participate with ease!

 

From/to Kohama Island *with landing on a phantom island
Experience Diving & Snorkeling Tour

幻の島ダイビングツアー

This is a full-day plan that allows you to experience diving, snorkeling, and landing on a phantom island, departing from and arriving at Kohama Island.

You can experience diving for 1 point (about 40 minutes) and snorkeling for 1 point (about 1 hour) for a very reasonable price!

Enjoy the lapis lazuli-colored sea and comfortable waves, and feel the island time flowing slowly.

For advance or same-day reservations, please contact Phantom Island Tours!

幻の島ダイビングツアー

Diving tours that include landing on "Phantom Island" listed on Phantom Island Tours can be booked one day in advance!

◆I would like to take some kind of tour on the island of phantom tomorrow!
◆I would like to know about diving tours that can be enjoyed by beginners!

We look forward to hearing from you.

Click here to contact us.

Ishigakijima Tours specializes in tours that can be booked on the same day.this way (direction close to the speaker or towards the speaker)
Kohama Island Tours special features of tours that can be booked on the same day arethis way (direction close to the speaker or towards the speaker)

New Arrivals for Phantom Island Diving Tours

5
User_xibn / 50s Posted on: July 2026

As the only middle-aged man on the tour, I was a little worried at first that I might stick out, but thanks to the small group size and the guide’s friendly conversation throughout, I had so much fun that I didn’t have a moment to feel lonely. The thrill of finally swimming with sea turtles in the crystal-clear ocean is a memory I’ll cherish for a lifetime. I was also thrilled to be able to capture so many photos of myself thanks to the free GoPro rental.

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5
User_vsnc / 30s Posted on: July 2026

My boyfriend and I tried our hand at a trial dive together♪ It was my first time, so I was a little nervous, but the instructor taught us carefully and kindly, so we were able to dive safely together! We both got super excited when we saw a sea turtle underwater★ We were able to capture lots of great videos with the GoPro we borrowed for free, and it made for the best souvenir ever!

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5
User_quht / 50s Posted on: July 2026

My heart was simply cleansed by the beauty of the emerald-green sea stretching as far as the eye could see and the pure white, otherworldly island... During the introductory dive, my heart swelled at the sight of a sea turtle swimming leisurely right in front of me... I truly had a wonderful, dreamlike time...

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3
User_fcbi / 50s Posted on: July 2026

It was great to see the scenery of the “phantom island” and encounter sea turtles. Since it was a small group, the instructor was able to give everyone plenty of attention. However, the boat ride took longer than I expected, and since it was a bit choppy that day, I got pretty tired toward the end. I think this is a standard tour best suited for people who are confident in their physical stamina.

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4
User_zaqr / 40s Posted on: July 2026

From landing on the "phantom island" to the diving, this well-organized itinerary offers great value for the price. We were definitely able to see sea turtles. However, the lunch portion felt a little small for men, so I think it would have been perfect if we’d brought a light snack with us.

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5
User_ybne / 40s Posted on: July 2026

It was a super efficient and totally satisfying plan that let us quickly enjoy both the “Phantom Island” and some diving—all in just the morning! After relaxing on the pristine white sandy beach and soaking in the breathtaking views, we went diving in a sea teeming with fish—it was just like the Palace of the Dragon King♪ The staff kindly walk you through how to use the equipment step by step, so even beginners can feel at ease☆ If you want to experience the ocean around Ishigaki Island, I absolutely recommend this place!

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  • Reservation Plan Application

    Once you have decided on the plan you want to apply for, select the date and time and start the application process!

  • Reservation Confirmation

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  • Take a tour

    All that remains is to participate on the day of the event! Let's have fun to the fullest!

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