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Marine shops in Ishigaki Island

At Marine Shop Shimajikan, we offer unforgettable activities where you can experience the beautiful ocean and magnificent nature of Ishigaki Island.

Our popular Phantom Island (Hamajima) Tour and snorkeling experiences give you the chance to explore vibrant coral reefs, colorful tropical fish, and even encounter sea turtles.

For those who prefer a relaxing adventure, our Mangrove Kayak Tour lets you enjoy the rich subtropical ecosystem at a leisurely pace.

Whether you are a beginner, not confident in swimming, or traveling with children, our friendly staff provides careful support and prioritizes safety so everyone can enjoy the experience with peace of mind.

Create unforgettable memories of your trip to Ishigaki Island and spend a truly special “Shimajikan” with us.

Thorough safety management
/AED
Photo data free
equipment·
Free pick-up and drop-off service
Customer reviews, highly rated
Same-day reservations accepted

Let's dive in!

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Tour plan list

Tour List


Landing on a phantom island × Snorkeling with sea turtles

A very popular travel destination in Ishigaki Island!

A trip by our own boat to a phantom island, landing and snorkeling with sea turtles.

A special plan that you can enjoy in half a day (approximately 3 hours)!

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Landing on a phantom island × Fish and coral snorkeling

This plan includes landing on a phantom island and swimming with coral and fish at points around it! We will guide you to the best spot according to the sea conditions of the day , so it's safe even for those with small children!

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Blue Cave x Sea Turtle Snorkeling

A plan that starts from the beach! We start in a shallow area, so you can relax!

Snorkeling in the mystical Blue Cave and encountering sea turtles, which you have a high chance of seeing!

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Mangrove Kayaking

This plan lets you relax and enjoy a special island experience amidst the fantastical mangroves!

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Half-day boat charter

Enjoy a leisurely half-day (4 PM) private tour of the legendary island.

We can also guide you to other seas around the Yaeyama Islands according to your preference!

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One-day boat charter

We can also arrange trips to other outlying islands from the Ishigaki Island area!

Let's enjoy the Yaeyama sea with a private tour tailored to your preferences.

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Staff Introduction

Meet Your Guides
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Taku

★Hometown: Kanagawa

☆Favorite sea creature: Blackspotted pufferfish

★Hobbies: Diving

☆Charge:Ship's captain/Snorkeling guide

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Kengo

☆Origin: Ishigaki Island

★Favorite sea creature: Remora

☆Hobbies: Photography, Baseball

★☆Charge:Mangrove Kayak/Snorkeling guide

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Mizuki

☆Hometown: Saitama

★Favorite marine creature: Sea slug

☆Hobbies: Badminton

★Office work/Snorkeling guide

FAQ

  • Absolutely!

    At SHISHI Ishigaki Island, your safety and enjoyment are our top priorities. Our experienced and qualified guides provide careful support throughout the tour, making it suitable even for first-time snorkelers.

    Many guests feel nervous before snorkeling for the first time, but there's no need to worry.

    Before entering the water, we provide a thorough safety briefing that covers:

    • How to use the snorkeling equipment

    • Proper breathing techniques

    • Basic snorkeling skills

    • Important safety guidelines

    This allows beginners and guests who are not confident swimmers to participate comfortably and safely.

    Safety & Flotation Support

    During the summer season, all participants wear life jackets to ensure plenty of buoyancy while in the water.

    During the cooler months, we provide wetsuits that not only help keep you warm but also add extra buoyancy for increased comfort and safety.

    In addition, our guides carry flotation devices and remain close by throughout the tour, providing support whenever needed.

    Whether you're a beginner, not a strong swimmer, or participating with children, you can enjoy the experience with confidence and peace of mind.

    We look forward to helping you discover the beautiful underwater world of Ishigaki Island safely and comfortably.

  • We offer a wide range of plans suitable for all ages, from infants (0) to seniors (85). Requirements vary by plan. Please check the specific plan details for more information.

  • The tour will operate rain or shine, as long as safety conditions are met. However, we may cancel the tour if we determine that conditions are unsafe due to strong winds, high waves, lightning, or deteriorating sea conditions. In such cases, we will contact you either the day before or on the day of the tour.

    Please note that weather and sea conditions can be unpredictable, meaning a final decision may only be made at the meeting point or even during the tour. Rest assured, no cancellation fees will apply if the tour is canceled due to bad weather.

  • We offer a free pick-up and drop-off service within our designated area in the city. If you request transportation, we will pick you up approximately one hour before the tour's scheduled start time.

    Our service area boundaries are:

    • West: Fusaki Beach Resort

    • East: ANA InterContinental Ishigaki Resort

    • North: Art Hotel Ishigaki (Please note that hotels further than these locations are outside the service area.)

  • All you need to bring are these 3 items:

    1. Drinks

    2. A bath towel

    3. A change of clothes

    All necessary gear and equipment are available for free rental! To ensure a smooth departure, please wear your swimsuit under your clothes before arriving at the meeting point.

  • [Winter Season: October – May]

    We offer free wetsuit rentals during the winter months! To ensure the perfect fit for your wetsuit and gear, please provide your age, gender, height, weight, and shoe size when making your reservation.

    [Summer Season: May – October]

    Both the air and water temperatures are warm, so we generally provide life jackets instead of wetsuits. If you are concerned about sunburn or jellyfish stings, we highly recommend bringing or wearing a rash guard.

  • Please keep your personal belongings locked inside the shuttle vehicle or your own rental car. As our shuttle service may be shared with other guests, we kindly ask that you bring as little luggage as possible.

    Please note: We cannot accommodate large luggage, including carry-on bags or suitcases. We apologize for the inconvenience, but please store any large bags at your hotel or in a coin locker before arriving at the meeting point.

  • All reservations require advance online payment. We accept credit cards, digital wallets (PayPay, etc.), and other online payment methods.

    Please note: On-site payment is not available. We cannot accept cash or card payments at the tour location. All bookings must be completed and paid for online in advance.

  • Private tour options are available for all of our plans! We highly recommend this option so you can enjoy the tour at your own pace—plus, you won't have to worry about other groups appearing in your photos and videos!

    You can easily add this option when making your reservation. Please check each plan's details page for pricing information.

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