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“Submarine Jr. II” Semi-Submarine Glass-Bottom Boat – An Aquarium on the Move!

4.40· 55 reviews

Highlights

Explore the ocean without getting wet! Watch colorful fish and coral up close. Free for ages 0–2 — perfect for families!
A certified GREEN FINS shop! We offer eco-friendly activities aiming to be a world-class sustainable resort!
Only in Onna, where coral is protected! View the underwater coral nursery from the submarine!
Part of the fee supports coral conservation—an activity that’s fun and helps protect nature!

What to expect

Ride the “Submarine Jr. II” at ANA InterContinental Manza Beach Resort! Explore the sea without getting wet, even on rainy days. Kids love this “moving aquarium” with colorful coral, playful fish, and a cheerful crew!

What's included

Cruise fee

About this experience

Starting at: 09:00, 10:00, 15:00, 16:00

Schedule

Meet at the Beach Information inside ANA InterContinental Manza Beach Resort.
~Certified by GREEN FINS~
ANA InterContinental Manza Beach Resort was certified by GREEN FINS in November 2022 for coral reef protection. We strive to be an eco-friendly resort that preserves Okinawa’s beautiful ocean. Please use coral-safe sunscreen and wear a rash guard to protect the coral.
The captain and crew welcome you aboard!
Leave it to the sea experts! Our reliable captain and cheerful crew welcome you aboard and guide you safely and joyfully on a wonderful ocean adventure!
All aboard the Submarine Jr. II for an exciting ocean adventure!
Step into the magical underwater world where colorful, charming fish live. Both adults and children will be enchanted by the breathtaking scenery.
Return to port
On the way back, step out onto the deck and enjoy the beautiful view of Cape Manzamo. Feel the pleasant sea breeze as you relax and cruise along.
After the tour, disband.

Location and Directions

Check-in / Check-out
Inside ANA InterContinental Manza Beach Resort
ANA InterContinental Manza Beach Resort, ２２６０瀬良垣 Onna Village, Okinawa, Japan
◇ By Taxi or Rental Car
About 80 minutes from Naha Airport. Approximately 50 minutes via Okinawa Expressway (Yaka Interchange).

◇ By Airport Limousine Bus
Board at the Naha Airport Domestic Terminal Bus Stop and get off in front of ANA InterContinental Manza Beach Resort. Approx. 100 minutes.
Parking information
◇ Parking Fee for Non-Staying Guests (Apr 26–May 6, Jul 1–Sep 30, 2025)
¥3,000 per car per day

◇ Facility Usage Fee
Guests arriving by taxi or on foot are required to pay a facility usage fee.
¥500 per person (ages 3 and up)

Operated by

ANA INTERCONTINENTAL MANZA BEACH RESORT

Cancellation policy

Free cancellation until your booking is confirmed.

On the activity day / No-show: 100%

Reviews

4.40

55 reviews

536

411

Guest photos 53

Discount for people with disabilities

Posted Date: 2018/05/24

MTK

I was disappointed that the disability discount was not applied. The underwater observation boat "Submarine Jr. II" was not as impressive as I had hoped, and I felt the price was a bit high.障害者割引が適用されなくて残念でした。海中展望船「サブマリンJr.Ⅱ」も期待したほどではなく、値段も割高に感じました。

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There were fewer fish than I expected, and I couldn't hear the explanation very well.

Posted Date: 2018/05/07

kbkb

This was my second time participating, but there were fewer fish than I expected, and I couldn't hear the guide's explanations very well. I could see the fish well from one side of the window, but I couldn't see any fish from the other side at all. Since I was holding my child in a baby carrier, it was difficult for me to change my position, which was disappointing.二回目の参加でしたが、思っていたより魚が少なく、添乗員の説明もよく聞こえませんでした。片側の窓だけ魚がよく見え、対側の窓は全く魚が見えませんでした。抱っこ紐で子供を抱えていたため、自分の向きを変えることがむずかしく、残念でした。

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On a cruise in the bay

Posted Date: 2022/03/29

きゅうぴい

The sea wasn't too rough, but I couldn't see many fish during the cruise in the bay. It felt like it ended with a discussion about farmed coral.海はそんなに荒れてはいないのに湾内でのクルーズで魚をあまり観る事が出来なかった。養殖珊瑚の話しで終わった感じでした。

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It's hard to believe that it's really that popular.

Posted Date: 2024/11/02

あきき

The waves were high, and the pier was swaying significantly during the activity. Inside the submarine, the staff occasionally made announcements, but their voices were drowned out by the surrounding noise, making it impossible to hear what they were saying. At one point, they mentioned that due to the high waves, we couldn't go out to sea, so we ended up seeing a few small, murky fish that weren't even particularly pretty, and it was over quickly. It was a struggle just to find any regular fish,… The waves were high, and the pier was swaying significantly during the activity. Inside the submarine, the staff occasionally made announcements, but their voices were drowned out by the surrounding noise, making it impossible to hear what they were saying. At one point, they mentioned that due to the high waves, we couldn't go out to sea, so we ended up seeing a few small, murky fish that weren't even particularly pretty, and it was over quickly. It was a struggle just to find any regular fish, let alone turtles.

It felt like a conveyor-belt option. If they knew beforehand that we couldn't go out to sea due to the high waves, shouldn't they have asked participants whether they wanted to proceed before boarding?

In any case, it was an option that did not match the price. I do not recommend it at all. 波が高く桟橋が大きく揺れる中の催行でした。
潜水艦の中は、お兄さんがたまに何かをゴニョゴニョアナウンスしているけど、周りの音に声が負けてて何を言ってるのかさっぱり聞こえない。
途中で今日はかなり波が高いから、沖には出られないとのことで、濁った海の中の微妙な小さい綺麗でもない魚を数種類みてあっさり終わり。亀どころか、普通の魚すら探すのが大変なレベル。
流れ作業なオプションだった。
波が高すぎで沖に出られないのを分かっての催行なら、乗る前に沖には出られないけど乗るかどうかの参加者の意思を聞くなどするべきでは… 波が高く桟橋が大きく揺れる中の催行でした。
潜水艦の中は、お兄さんがたまに何かをゴニョゴニョアナウンスしているけど、周りの音に声が負けてて何を言ってるのかさっぱり聞こえない。
途中で今日はかなり波が高いから、沖には出られないとのことで、濁った海の中の微妙な小さい綺麗でもない魚を数種類みてあっさり終わり。亀どころか、普通の魚すら探すのが大変なレベル。
流れ作業なオプションだった。
波が高すぎで沖に出られないのを分かっての催行なら、乗る前に沖には出られないけど乗るかどうかの参加者の意思を聞くなどするべきでは？！
とにかく値段には見合わないオプションでした。
全くおすすめはしません。

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Normal

Posted Date: 2025/11/03

あんず

I have ridden a glass-bottom boat in Miyako Island before. The water clarity is about the same for both. The variety and beauty of the corals are better here. Although the price is higher here, I felt that the experience time was short at just 30 minutes. I was able to see sea turtles in Miyako Island, but I couldn't see any here. Perhaps it's because of the corals; I think they can't scatter food to attract fish here, but in Miyako Island, I was able to see the fish at a very close distance.今までに宮古島のグラスボートには乗ったことがありました。
海の透明度はどちらも同じくらいです。
サンゴの種類と綺麗さはこちらの方が上です。
価格はこちらの方が高いのに、体験時間が30分で短いと感じました。
宮古島ではウミガメが見れましたが、こちらでは見れませんでした。
恐らくサンゴのため、餌を撒いて魚を集めることができないのだと思いますが、宮古島ではかなり近い距離で魚を見ることができました。

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It depends on the weather.

Posted Date: 2025/11/15

ティコ☆

On the day of the trip, it rained from the morning. I called the hotel to confirm whether the tour would proceed, and they said a decision would be made one hour before departure.

In the end, the tour went ahead despite the light rain, but the water clarity was low, and visibility wasn't great. The staff provided thorough explanations about the fish, but the underwater experience was somewhat disappointing. Since it was a short trip, I would have appreciated an earlier decision so that I could a… On the day of the trip, it rained from the morning. I called the hotel to confirm whether the tour would proceed, and they said a decision would be made one hour before departure.

In the end, the tour went ahead despite the light rain, but the water clarity was low, and visibility wasn't great. The staff provided thorough explanations about the fish, but the underwater experience was somewhat disappointing. Since it was a short trip, I would have appreciated an earlier decision so that I could adjust my plans accordingly. 当日は朝から雨。ホテルに電話をこちらから入れました。当日催行するのかと確認したところ、出航の1時間前に決定するとのこと。
結果、小雨で催行されましたが、透明度も低く、あまり良く見えませんでした。
スタッフさんは、しっかりと魚の説明等をしてくれましたが、イマイチな海の中。
少ない日程での旅行なので、もう少し早めの決断をしてくれると予定の変更など出来、ありがたいなぁと思いました。

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It's unfortunate due to the bad weather.

Posted Date: 2024/12/18

群馬県民

The sea was rough, and unfortunately, we could only visit one of the two points. It was quite shaky, which made the kids feel sick, so that was disappointing. However, it was nice to see the beautiful coral farming underwater and to spot sea turtles.海が荒れていて
二つのポイントのうち一つのみとなってしまったこととやはりかなり揺れていたので子供達も気持ち悪くなってしまい残念でした。
ただきれいな海中の珊瑚の養殖だったり、ウミガメも見れたりしとのは良かったです

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It's the perfect activity for families with children.

Posted Date: 2025/10/12

ちえ

Even though it was hot, it was comfortable and we didn't get wet, making it a good tour for families with children! However, there were unavoidable situations, such as not seeing any fish on one side, and the tour was quite short, around 15 minutes, so I can't deny that it felt a bit lacking.暑くても快適ですし、濡れなくて済むので子連れには良いツアーでした！
ただ片側は全く魚が見れないなど、致し方ない状況はあるのと、15分くらいの短いツアーなので物足りなさは否めませんでした。

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It was fun!

Posted Date: 2016/08/15

けんりょう

I was able to buy food for them. Because of that, the fish often came up to the glass, and the children were delighted.餌を購入してあげることも出来ました。
その為窓ガラスまで魚が来ることも多く子供たちは喜んでいました。

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Fun for families with children!

Posted Date: 2018/08/15

ゆうき

A trip to Okinawa with three generations. I made the reservation so that the children could enjoy it. The result was... great! The kids had more fun than I expected, happily exclaiming, "Look at the fish!" and "Over there and over here!" It might be a good choice for families with children!3世代で沖縄旅行へ
子どもが楽しめるようにと予約しました。
結果は、、、よかった！
子どもが思いのほか楽しんでいて
『おさかないた！』『あっちもこっちも』と喜んでいました。
子ども連れにはいいかも！

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It was comfortable!

Posted Date: 2022/12/23

lea

I signed up for this tour because I wanted to see the natural fish of Okinawa. Although the time flew by and I wished I could have stayed on the boat a little longer, I was satisfied to see various types of coral and fish that are different from those in an aquarium. The staff mentioned that there are times when you can see turtles as well, so I look forward to that on my next visit.沖縄の自然な魚達が見たくてこちらのツアーを申し込みました。
時間的にはあっという間でもう少し船に乗っていたいという気持ちでいっぱいですが、水族館とはまた違ったサンゴや自然の色々な種類の魚が見れて満足出来ました。
また、亀が見れる時もあるとスタッフの方がおっしゃっていたので、次に来た時に期待したいと思います。

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I was able to see sea turtles.

Posted Date: 2023/01/08

hawaii

I saw two sea turtles. I enjoyed it because it was my first time seeing the transparent coral reef on the ocean floor. It was a day with high waves and strong swells, so my elementary school-aged child got seasick and was exhausted by the end, but they were still satisfied that it was worth participating since we got to see the sea turtles.ウミガメを二匹見ました。透き通った海底のサンゴ畑を初めて見たので興味深く楽しめました。波が高く揺れが激しい日だったので小学生の子供は後半酔ってしまいぐったりでしたが、それでもウミガメが見れたことで参加した甲斐があったと満足してました。

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First time in Okinawa.

Posted Date: 2023/12/09

あき

I experienced it for the first time. The guide was very cheerful and had a friendly demeanor. They provided thorough explanations, and I definitely want to ride again when I go to Okinawa.初めて体験しました。
ガイドさんがとても明るくて、親近感が湧くような人でした。説明も丁寧にしてくれてまた沖縄に行くときは絶対乗りたいと思いました。

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The whole family was overjoyed on the trip.

Posted Date: 2024/10/30

ＬＯＶＥジュリー

A big family trip with three families, including children and grandchildren. The ages of the grandchildren range from 1 to 10 years old, which made it challenging to plan activities that would interest everyone. However, everyone was thrilled to encounter the coral, fish, and sea turtles underwater. It was a very satisfying experience.子供や孫達と3家族の大家族旅行。
孫の年齢が1歳〜10歳までと興味や行動パターンが異なりイベントに悩みました。でも、みんな、海底のサンゴや魚、ウミガメとの出会いに大喜び。大満足でした。

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Natural Aquarium

Posted Date: 2025/03/02

やー

The water was clearer than I expected, and I was able to see various marine life. I even encountered sea turtles twice. It's recommended because you can look into the ocean without getting wet.思ったよりも透明度が高く、様々な生物を見ることができました。
ウミガメにも2回出会えました。
何も濡れずに海の中を覗けるのでお勧めです。

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Highly recommended for traveling with babies!

Posted Date: 2025/03/13

かっぴ

We participated in this activity during our first trip to Okinawa with our 9-month-old baby. There aren't many activities available for infants, but we wanted to experience something unique to Okinawa, so we made a reservation. It was a great decision!

The duration was about 30 minutes, which was easy on our baby, and since it was mainly on the boat, we didn't have to worry about sunburn, which was reassuring. After the last point, we could go out on the deck, allowing us to enjoy the beautiful s… We participated in this activity during our first trip to Okinawa with our 9-month-old baby. There aren't many activities available for infants, but we wanted to experience something unique to Okinawa, so we made a reservation. It was a great decision!

The duration was about 30 minutes, which was easy on our baby, and since it was mainly on the boat, we didn't have to worry about sunburn, which was reassuring. After the last point, we could go out on the deck, allowing us to enjoy the beautiful sea from the boat and experience the pleasant outdoor breeze.

The staff were very kind and happily took family photos for us, creating wonderful memories of our trip! 0歳9ヶ月のベビーと初沖縄旅行でこちらのアクティビティに参加しました。
0歳児だと中々参加できるアクティビティがないのですが、なにかしら沖縄でしか体験できないことをしたい！と思って予約。大正解でした！

所要時間も30分程度でベビーに負担が少なく、基本は船の中なので日焼けなどの心配もなく安心でした。最後のポイントを出たらデッキにも出られるので、船の上から綺麗な海を眺めることもでき、程よく外の気持ちよさも味わうことができました。

スタッフの皆さんもとても優しく、快く家族写真を撮ってくださり、旅のよい思い出にな… 0歳9ヶ月のベビーと初沖縄旅行でこちらのアクティビティに参加しました。
0歳児だと中々参加できるアクティビティがないのですが、なにかしら沖縄でしか体験できないことをしたい！と思って予約。大正解でした！

所要時間も30分程度でベビーに負担が少なく、基本は船の中なので日焼けなどの心配もなく安心でした。最後のポイントを出たらデッキにも出られるので、船の上から綺麗な海を眺めることもでき、程よく外の気持ちよさも味わうことができました。

スタッフの皆さんもとても優しく、快く家族写真を撮ってくださり、旅のよい思い出になりました！

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Transparent sea

Posted Date: 2025/03/14

るり

I boarded the ship with my one-year-old child! It was great to be able to see fish together with activities that are suitable for families with babies! I was disappointed that we couldn't see any turtles, but it was a good experience! The staff's explanations about the underwater world were also great!一歳の子どもを連れて乗船しました！
赤ちゃん連れでもできる、アクティビティで、一緒に魚を見ることができてよかったです！
亀を見ることができず、残念でしたが、いい体験でした！
スタッフの方の、海中の説明もよかったです！！

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Moving Aquarium

Posted Date: 2025/10/02

恋ひめ

There were windows on both sides, allowing us to see underwater. They provided thorough explanations, and we were able to spot various fish.

At the end, we appreciated being able to go up to the deck and take photos. 😊左右に窓があってそれぞれで海中が見れるようになってました
しっかりと説明もしてくれて色々と魚も見つけることが出来ました🐟

最後の方はデッキに上がって写真も撮ってくれたのはありがたかったで😊

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Easily in the ocean.

Posted Date: 2026/03/08

ji-ma

I realized that there are a lot of fish in the waters of Okinawa. It was great to see them easily without having to dive. The cruising after getting back up to the deck was unexpectedly pleasant. It was the only sunny day of my three-day trip, so I felt lucky.沖縄の海中に大量の魚がいることを実感。
ダイビングをしなくても、手軽に見れて良かった。
帰りのデッキに上がってからのクルージングが予想外に気持ち良かった。
3日の旅行の唯一の晴れだったので、ラッキーだった。

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Submarine Jr. II

Posted Date: 2017/09/25

のきらり

Manza Beach was very beautiful. The children had a great time. The adults were also very satisfied! I heard that if you're lucky, you can see sea turtles, so I would like to use this place again when I go to Okinawa.☆万座ビーチとても綺麗でした。子供たちがとても楽しんでくれました。大人も大満足でした！運がよければウミガメも見れると聞いたので、また沖縄へ行く際は利用したいと思います☆

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