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石垣島・川平湾の透明度の高い海でシュノーケリングを楽しむ2人の女性

Can I snorkel in Kabira Bay?
Thorough explanation of conclusions and precautions

川平湾のシュノーケリングツアーで笑顔のカップル。白いシュノーケルマスクを着用。

To put it simply, the area of Kabira Bay shown in the photos (in front of the observation deck and around the glass-bottom boat route) has strong currents,No SwimmingSo, you can't go snorkeling here.

However, even within Kabira Bay, the area inside the bay...Uninhabited Island Area · Kabira TabagaThe inner reef has almost no current, and you can enjoy snorkeling if you join a tour.

In other words, it’s not that “Kabira Bay = you can’t swim,” but rather,"Swimming on your own is not allowed / Swimming is allowed as part of a tour"That is the correct answer.

[By Area] Snorkeling Availability at Kabira Bay
◆In front of the observation deck and around the glass-bottom boat route:× No Swimming(Strong currents; risk of collision with boats)
◆ Uninhabited Islands in the Bay:○ Tours only(In the inner bay, there is almost no current; the waters are calm.)
◆Kawahira Tabaga Area:○ Tours only(Almost no current · Hidden gem)

Held at Kabira Bay! Click here for the popular tour rankings

"Places Where You Can" and "Places Where You Can't" Snorkel in Kabira Bay

Prohibited areas: In front of the observation deck and around the glass-bottom boat route

石垣島・川平湾の透明な海とグラスボートが浮かぶ風景。航路周辺は遊泳禁止。

Kabira Bay, which you often see in photos as a tourist attraction—in other words,In front of the observation deck and around the route where glass-bottom boats come and goSwimming is prohibited here because the currents are strong and there is a risk of colliding with boats.

In answer to the question, “Can you snorkel in Kabira Bay?”—you cannot swim or snorkel here. Please be careful, as it is dangerous to enter the water if you misunderstand this.

Available locations: Uninhabited islands in the bay; Kabira Tabaga Area

川平湾の無人島エリアでのシュノーケリング体験。ピンクのマスクをつけた女性二人組。

On the other hand, even within Kabira Bay, areas away from the shipping laneDeserted Island Areaand ... andKabira TabaggarThis spot is located in an inner reef surrounded by coral reefs, where there is almost no current, making it a great place to enjoy a peaceful snorkeling experience.

Since glass-bottom boats aren't allowed in this area, it's very safe and the water is exceptionally clear. Even beginners or those who aren't confident swimmers can enjoy the underwater world with peace of mind♪

The best way to get there is generally by joining a tour

川平湾シュノーケリングツアーのボートでの記念写真。笑顔のガイドとゲスト。

You can reach these spots from the area around the glass-bottom boat pierTours by boat or kayakIt's generally best to go there as part of a group, as it's an area that's difficult to access on your own.

Since the guide assesses the day’s sea conditions and takes you to the best spots, you can enjoy the stunning ocean views safely and at your own pace. Another highlight is that you might even spot sea turtles along the way♪

Experience the spectacular "Kabira Blue!
↓Click here for Kabira Bay snorkeling tour

The combination of Kabira Bay and the Blue Cave is also popular

川平湾近くの青の洞窟スポットでのシュノーケリング。幻想的な青い水面。

Ishigaki Island has many snorkeling spots, such as Yonehara Beach and the Blue Cave, andTours That Let You Enjoy the Scenic Beauty of Kabira Bayis also popular.

With a package that lets you experience both SUP and canoeing in Kabira Bay and snorkeling at the Blue Cave all at once, you can efficiently enjoy Ishigaki Island’s two most spectacular sights.

Kabira Bay and Blue Cave can be enjoyed together♪
↓Click here for popular Kabira Bay tours.



Why Is Swimming Prohibited in Kabira Bay (Around the Shipping Lane)?

Because of the fast and dangerous tides

石垣島・川平湾の透明な海とシュノーケリングボートが浮かぶ風景。

Swimming is restricted around the shipping lanes in Kabira Bay for safety reasons, as the currents are strong and vary significantly depending on the time of day.

It is necessary to avoid the risk of contact between people and boats, especially around the route where glass boats navigate,no swimming area (e.g. in a river)It is treated as such.

These natural conditions and safety measures are the reason for the beautiful scenery and safe sightseeing environment.

For landscape and nature conservation

日本百景にも選ばれた川平湾の絶景。シュノーケリングやグラスボートの拠点。

Kabira Bay is known as a representative scenic spot of Ishigaki Island, and to protect its beautiful scenery and coral reefsStrict rulesis established.

Because unregulated swimming and trespassing can lead to coral damage and degradation of the marine environment, use restrictions have been established for each area.

It is because of these efforts that the natural beauty of the area is preserved, which impresses us every time we visit.

Kabira Bay Snorkeling Attractions

Unparalleled transparency called "Kabira Blue

川平湾の絶景シュノーケリングスポットをSUP(サップ)で探索する風景。

The appeal of the Kabira Bay area lies in its world-renowned crystal-clear waters, which shift in color from emerald green to deep blue, “Kabira Blue"A beautiful stretch of ocean known as *"* stretches out before you. The water is so clear that you can swim in itUninhabited Island · Tabaga AreaThe same applies here.

川平湾の無人島エリアのシュノーケリングで観察できるサンゴ礁とカクレクマノミ(ニモ)。

The “Kabira Blue” in front of the observation deck isSpectacular views from the observation deck and glass-bottom boatAs such, the Tabaga Area—a deserted island—issnorkelingThat’s what makes Kabira Bay so special—you can enjoy the beauty of the same ocean in two different ways.

The water around the uninhabited islands, where you can actually swim, is incredibly clear—you can clearly see the seabed and the coral even from the surface, giving you the sensation of flying through the air!

Basic Information on Kabira Bay

A treasure trove of tropical fish and coral reefs

石垣島・川平湾のシュノーケリングで見られるカクレクマノミの親子。

The Tabaga area, a group of uninhabited islands surrounding Kabira Bay, is home to vibrant tropical fish and expansive coral reefs, making it easy to encounter marine life while snorkeling.

Clownfishand ... andDamselfishThe attraction is that even beginners can have a highly satisfying experience by observing popular fish swimming up close, such as the following

Guided experience for beginners

川平湾シュノーケリングツアーのガイドとゲストの記念写真。SUP体験や海遊び。

Snorkeling at Kabira Bay isGuided tours are basicThe safety of the dive sites is taken into consideration, and even beginners and those who are worried about their swimming skills can participate with ease, as they are given detailed lectures on how to use the equipment and how to swim.

In addition, the guide will take you to the most suitable point according to the sea conditions of the day, so you can enjoy the spectacular sea safely and without strain.

How to Choose a Kabira Bay Snorkeling Tour

If you are a beginner or with children, focus on guiding.

子供も楽しめる川平湾シュノーケリング。水中撮影で元気にポーズ。

If you are experiencing snorkeling for the first time or with children,Choose a tour with good safety management.It is important to

If the tour is well supported by a guide, you can enjoy the tour with peace of mind because you will be carefully instructed on how to handle the equipment and what to look out for in the ocean.

Choosing a plan that offers rental of life jackets and floatation equipment is especially recommended for a safer experience.

Guides will provide support!
↓Click here for Kabira Bay snorkeling tours

For beginners!
Click here for Kabira Bay Tour

Photo plan is recommended.

川平湾シュノーケリングツアーの合間に。白い砂浜と青空の下で記念撮影。

If you want to preserve the spectacular view of Kabira Bay,Tour with photo datato have a professional guide take photos for you, so you can leave behind underwater photos and memorable cuts that you cannot take by yourself.

You can also get social networking photos, which makes your trip even more satisfying♪.

Difference between half-day and full-day plans

川平湾シュノーケリングツアーで体験できる、ウミガメ遭遇やSUPなどのアクティビティ一覧。

The tour isHalf Day PlanandOne Day PlanThe program is divided into the following two categories, which can be selected according to your travel schedule.

Half-day plan is recommended for those who want to have fun in a short time, and one-day plan is recommended for those who want to experience SUP and other activities.

Choosing the right one for your purpose will lead to a more satisfying experience.

Half-day event! Click here for Kabira Bay Tour

Held for 1 day! Click here for Kabira Bay Tour

Best time and season for snorkeling at Kabira Bay

Best season is from April to October.

川平湾シュノーケリングの予約状況。空き日程を確認するイメージ。

If you enjoy snorkeling at Kabira Bay, the water temperature and sea conditions are stable.April to OctoberThe best time to visit is during the summer season, when the water is clear and colorful corals and fishes can be observed more beautifully!

 Especially in the summer, conditions are more favorable and it is a time when even beginners can enjoy themselves with ease.

The transparency is highest in the morning

川平湾の豊かなサンゴ礁での親子シュノーケリング。美しい水中世界を探索。

If you want to go snorkeling, go when the wind is light and the sea surface is calm.Morning is recommendedand enjoy clearer waters.

In the afternoon, the winds can be strong and the sea can be muddy, so the best conditions can be experienced in the clear morning air and quiet sea.

What to wear and bring for snorkeling at Kabira Bay

川平湾SUP

For snorkeling at Kabira Bay, we recommend wearing a basic swimsuit and rash guard, and long-sleeved rash guards and leggings to protect against strong sunlight.

Also, since equipment is often available for rent on these tours, you can join in easily with just the bare essentials.

Clothing and personal belongings
Clothing 》
◆ marine shoes or flip-flops
◆Swimsuits (smooth if worn in advance)
◆ Rush guards (recommended for protection against UV rays and injuries)
◆ leggings/trenkas (sun protection for lower body)
Required belongings 》
◆Towel
◆A set of clothes
◆sunscreen
◆Drinks (to prevent heat stroke)
Useful things to have.
◆Sunglasses
◆Waterproof phone case
◆Hat (with string is recommended)
◆plastic bags (for wet items)

There’s more to enjoy at Kabira Bay than just snorkeling (SUP, canoeing, glass-bottom boat tours)

川平湾で楽しめるSUPやカヌーなどのアクティビティ。カップルや友人との海遊び。

Although you can't swim freely in Kabira Bay,Activities You Can Enjoy Without Getting WetThe company also offers a full range of

We also recommend this for families with young children, those who are nervous about snorkeling, and those who don't want to remove their makeup.

川平湾を出入りするたくさんのグラスボート

It's a boat with a glass bottom, andObserve coral and tropical fish underwater without getting wetA classic activity in Kabira Bay. It’s the best way to enjoy the underwater world of Kabira Blue without having to swim.

SUP (Stand Up Paddleboard)

【石垣島/約2.5時間】当日予約OK!神秘的スポット『青の洞窟』を目指すSUPツアー★透明度抜群の海で新体験♪写真無料

An activity where you stand on a board and paddle across the water while taking in the breathtaking views of Kabira Bay.You can enjoy it without getting your whole body wetThat's part of its charm, and on calm days, you can even see into the water from the surface.

Click here for the rankings of popular SUP tours in Kabira Bay

Canoe/Kayak

川平湾カヌー・カヤック

An activity you can enjoy while traveling to the uninhabited island area; along the way,You might even encounter a sea turtle. Tours that include snorkeling are also popular.

Click here for the rankings of popular canoe and kayak tours in Kabira Bay

Frequently Asked Questions (FAQ) About Snorkeling in Kabira Bay

Q. Swimming is prohibited in Kabira Bay, right? Can I go snorkeling there?
Swimming is prohibited in front of the observation deck and along the glass-bottom boat route, so you cannot swim there.
On the other hand, even within Kabira Bay, snorkeling is possible in the uninhabited Kabira Tabaga area if you join a tour.
Q. Where in Kabira Bay is swimming prohibited?
Swimming is prohibited around the glass boat route for safety reasons.
The Tabaga Area, an uninhabited island off the main shipping route, offers snorkeling tours.
Q. How do I get to the uninhabited islands of Kabira Bay?
You’ll generally travel to the uninhabited island area by boat or kayak as part of a tour.
Because it is difficult to access on one's own, participation in guided tours is common.
Q. Is snorkeling in Kabira Bay dangerous?
The Tabaga area, an uninhabited island featured on the tour, is located in the inner reef, where the currents are gentle and safety is a top priority.
A guide will also accompany the tour, so beginners can enjoy the tour without worries.
Q. What is the difference between Kabira Bay and other snorkeling spots?
Kabira Bay is most attractive for its scenic beauty and high transparency.
On the other hand, the difference from other spots is that free swimming is not allowed, so participation in tours is a prerequisite.
Q. Can I participate in snorkeling without a reservation?
Some tours can be joined on the day of the tour, but advance reservations are recommended as tours are often fully booked during peak season.

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

石垣島の青の洞窟や川平湾シュノーケリングツアー。グラスボートでの海底観察。
Ishigaki Island Tours offers snorkeling tours around Kabira Bay.Available for advance and same-day reservations.The company is doing so.
We can provide you with a plan that allows you to participate even if you have a sudden change of plans or a time crunch, so please feel free to contact us even at the last minute!

Recommended for
◆ For those who want to book Kabira Bay snorkeling on the same day.
◆Those who want to enjoy activities in their spare time while traveling
◆Those who are looking for a tour that even beginners can participate safely.

Click here to contact us.

Same-day reservations available for activity tours
Click here to see popular plans for

A wide variety of plans,We offer tours suited to your needs and level of experience.The following is a list of the most common problems with the
Enjoy a memorable snorkeling experience in the beautiful waters of Kabira Bay!

Latest Reviews of Snorkeling in Kabira Bay

5
User_dird / 30's Posted on: July 2026

Everything went smoothly. Snorkeling at Kabira Bay was just as beautiful as I’d hoped, and I was very satisfied. I’ll definitely use this service again.

Read more
5
User_htnm / 20s Posted on: July 2026

Recreational diving was absolutely amazing!! Since it was a small group, I could dive at my own pace, and seeing so many fish in the tropical ocean kept me super excited the whole time!! Taipa was also awesome! ★

Read more
5
User_vqyq / 50s Posted on: July 2026

First, we paddled our SUPs across the calm waters of Kabira Bay and took in the beautiful scenery. Next, we headed to the Blue Cave, where we enjoyed snorkeling amid its mystical glow. It was a truly wonderful tour that allowed us to efficiently visit Ishigaki Island’s two most spectacular sights in just half a day.

Read more
5
User_jfrd / 50s Posted on: July 2026

First, we enjoyed canoeing in Kabira Bay while taking in the view of the beautiful emerald-green sea. Next, we headed to the Miyara River and paddled slowly through the mangrove forest, enveloped in silence. It was a truly wonderful tour that allowed us to efficiently enjoy both the sea and the river—Ishigaki Island’s signature attractions—and the transportation was very comfortable.

Read more
5
User_turo / 50s Posted on: July 2026

First, we took a glass-bottom boat out into Kabira Bay and enjoyed the beautiful coral and fish without getting wet. Next, we went ashore on Phantom Island and enjoyed snorkeling in the emerald-green sea that stretched as far as the eye could see. We were able to efficiently visit Ishigaki Island’s two most spectacular sights, making for a truly meaningful and wonderful day.

Read more
5
User_hygw / 40s Posted on: July 2026

I took this tour during my last visit to Ishigaki Island, and this time I booked it again as part of a package that included SUP at Kabira Bay. As always, the guide’s tour was fantastic, and I was able to fully enjoy the beautiful waters of this “phantom island” to my heart’s content. No matter how many times I come, it never disappoints.

Read more

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    Find a tour

    Based on the time of day and the nature of the experience.
    Select the tour of your choice♪

  • 予約から参加の流れ プランを予約

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    and others to apply for the program!

  • 予約から参加の流れ メールを確認

    Check your e-mail

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    Enjoy to the fullest!

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