Page 7) Things to Do in Big Island in 2026 – Tours & Activities | HawaiiActivities.com

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Big Island

All Reviews for Kailua-Kona

Overall rating

4.61

4864 Reviews
マウナケア山頂夕陽と星空観測ツアー ガイド撮影の一眼カメラ写真を無料ご提供!<夕食付き/英語ガイド>by マサシネイチャースクール
It was an indescribable experience.
筆舌に尽くし難い体験でした
Activity Date: 2025/09/21 | Posted on: 2025/09/22

The guide's explanations were excellent and interesting, allowing me to absorb a lot of the culture of the Big Island in just half a day. As we gained elevation, the ground turned reddish-brown, resembling Mars. I became quite excited, and when we got out of the car at over 4,000 meters, I felt some signs of altitude sickness, like heaviness in my body and head. However, since I was acclimatizing to the altitude, I had no issues with my condition and enjoyed the sunset for about an hour. The stargazing was also fantastic, as it was a new moon, and the Milky Way was vivid. I am very satisfied with the tour.

However, I noticed that there were too many people with low morals, such as those who did not adhere to the meeting time for altitude acclimatization (which is unacceptable for adults), sleeping in the car above the Onizuka (which is prohibited by law), and touching the Onizuka silver sword grass (even body heat can cause serious damage to alpine plants, and it is an endangered species). I believe the organizers should address these issues, and I hope for better management in the future.

ガイドさんの説明が上手で面白く、半日の間にハワイ島の文化をかなり吸収出来ました。標高が高くなるにつれて地表が赤茶色になり、火星のようでした。かなり興奮気味になり、4000メートルを超えて車を出ると若干高山病の兆候は感じました。身体と頭の重さです。ですが高地順応を経ているので体調は問題なく、小一時間夕日を満喫しました。星空観察も当日が新月にあたり、天の川が鮮明でした。ツアーについて大変満足しています。
しかし、高地順応の集合時間も守らない(大人で論外)、オニヅカよりも上で車中で寝る(法律で禁じられています)、オニヅカの銀剣草を触る(体温ですら高山植物にとっては深刻なダメージ、しかも絶滅危惧種)など、低モラルな人たちが多すぎるのが目に入りました。運営側が伝えるべきだと思うので、今後の運営に期待したいです。

現地スタッフ: 5
場所・雰囲気: 5
スケジュール: 3
設備: 3
サービスの快適さ: 2
Packages: 基本プラン
Attended as: Couples | Weather: Sunny
Tips and suggestions

Don't worry too much about the weather forecast. I thought it would be cloudy, but it turned out to be clear skies. That's how unpredictable mountain weather can be. Also, be prepared to respect Hawai

天気予報を気にしすぎないことです。曇りかと思って望んだらピーカンでした。それぐらい山の天気は分かりづらいです。あとはハワイの文化尊重するマインドを準備してください。

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Oceanfront Royal Kona Resort Luau Voyagers of the Pacific Show - Dinner, Drinks & Fire Knife Dance
Amazing!
Activity Date: 2025/09/19 | Posted on: 2025/09/22

I have a gluten allergy and it was SO incredibly helpful to have everything clearly labeled. The show was outstanding, the crew was friendly and helpful, the food was absolutely delicious. All around 10s

Local customer service: 5
Location & environment: 5
Schedule & duration: 5
Equipment & facilities: 5
Comfort & well-being: 5
Packages: Royal Kona Resort Luau - Standard Seating Package
Attended as: Others | Weather: Sunny
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マウナケア山頂夕陽と星空観測ツアー ガイド撮影の一眼カメラ写真を無料ご提供!<夕食付き/英語ガイド>by マサシネイチャースクール
The best experience
最高の体験
Activity Date: 2025/09/21 | Posted on: 2025/09/22

Watching the sunset and stargazing at the world's highest level mountain was a rare and incredibly valuable experience. The guide's explanations were excellent, and I gained a deeper understanding of the Big Island of Hawaii.

世界最高レベルの山で夕焼け・星空観測は滅多に出来ない体験で大変貴重な機会となりました。ガイドさんの説明も上手でハワイ島の理解も深まりました。

現地スタッフ: 5
場所・雰囲気: 4
スケジュール: 4
設備: 4
サービスの快適さ: 4
Packages: 基本プラン
Attended as: Families | Weather: Sunny
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マウナケア山頂夕陽と星空観測ツアー ガイド撮影の一眼カメラ写真を無料ご提供!<夕食付き/英語ガイド>by マサシネイチャースクール
At least once in a lifetime.
人生で一度は
Activity Date: 2025/09/13 | Posted on: 2025/09/22

I experienced the sunset and stargazing tour. It was one of those views I've always wanted to see at least once in my life. During the sunset, the view of the sea of clouds below, the setting sun, and the scenery that unfolded as time flowed slowly was amazing. The stargazing afterward, where I was able to enjoy the view before the moon rose, seemed to be a stroke of luck. It became another unforgettable sight.

Throughout the tour, the guide was kind and shared stories about Hawaii, making it a fun time. This time, it was lucky that all the participants were Japanese, so we had a completely Japanese-speaking guide.

サンセット&星空鑑賞ツアーを体験。人生で一度は見てみたいと思った景色の1つでした。サンセットでは、眼下に流れる雲海、沈んでいく太陽、ゆっくりと時間が流れていく中で見える景色は最高でした。その後の星空鑑賞、月が昇る前の時間帯で鑑賞することができたのは運が良かったようです。これまた忘れられない光景となりました。

ツアーを通してですが、ガイドさんは親切で道中もハワイのお話もしてくれ楽しい時間でした。今回はたまたま参加者が全員日本人だったので完全日本語ガイドとなったのもラッキーでした。

現地スタッフ: 5
場所・雰囲気: 5
スケジュール: 4
設備: 4
サービスの快適さ: 5
Packages: 基本プラン
Attended as: Couples | Weather: Sunny
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マウナケア山頂夕陽と星空観測ツアー ガイド撮影の一眼カメラ写真を無料ご提供!<夕食付き/英語ガイド>by マサシネイチャースクール
Recommended Tours in Hawaii Island
ハワイ島 お勧めツアー
Activity Date: 2025/09/15 | Posted on: 2025/09/21
Kei

I enjoyed the easy-to-understand explanations in Japanese by the experienced and knowledgeable guide, Mr. Shoyou. On that day, we were able to fully enjoy a starry sky without the influence of moonlight.

経験、知識の豊富なガイドのショウヨウさんによる日本語の説明が分かりやすく楽しめました。当日は月明かりの影響が無く満天の星空を堪能しました。

現地スタッフ: 5
場所・雰囲気: 5
スケジュール: 5
設備: 4
サービスの快適さ: 5
Packages: 基本プラン
Attended as: Couples | Weather: Sunny
Tips and suggestions

Jacket and pants rentals are available, but I recommend taking some measures for warmth.

ジャケとパンツのレンタルはありますが、ある程度の防寒対策をお勧めします。

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マウナケア山頂夕陽と星空観測ツアー ガイド撮影の一眼カメラ写真を無料ご提供!<夕食付き/英語ガイド>by マサシネイチャースクール
The best memories.
最高の思い出
Activity Date: 2025/09/18 | Posted on: 2025/09/20

The magnificent nature of Mauna Kea was breathtaking. I had my wedding on Oahu and then came to the Big Island for sightseeing, which created wonderful memories. Thank you!

マウナケアの壮大な自然、圧巻でした。
オアフ島で結婚式を挙げ、その後ハワイ島に観光しに来ましたが素敵な思い出になりました。ありがとうございました!

現地スタッフ: 5
場所・雰囲気: 4
スケジュール: 4
設備: 3
サービスの快適さ: 5
Packages: 基本プラン
Attended as: Couples | Weather: Cloudy
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Kona Sunset Dinner Cruise to Kealakekua Bay with Live Entertainment | Body Glove
Gorgeous evening
Activity Date: 2025/07/03 | Posted on: 2025/09/20

Hot at first with the sun coming down, but the sunset views are phenomenal!

Packages: Dinner Cruise
Attended as: Families
Reply from activity provider

Thank you for joining us and your kind words! We hope that you're able to join us again someday soon!

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Atlantis Kona Submarine Tour & Undersea Adventure - Descend up to 100 feet
Amazing adventure
Activity Date: 2025/08/31 | Posted on: 2025/09/20

I was a little nervous with my mom being 70 need to get into the submarine. They were very accommodating for her. Words cannot describe how amazing it was to be in this submarine. The picture that I posted of my sister and my husband with the most wonderful look, enjoying their selves Beyond words. This is my absolute favorite memory from our big island vacation 2025.

Local customer service: 5
Location & environment: 5
Schedule & duration: 5
Equipment & facilities: 5
Comfort & well-being: 5
Packages: Kona Submarine
Attended as: Families | Weather: Sunny
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マウナケア山頂夕陽と星空観測ツアー ガイド撮影の一眼カメラ写真を無料ご提供!<夕食付き/英語ガイド>by マサシネイチャースクール
The clouds rolled in.
雲がかかってしまい
Activity Date: 2025/09/18 | Posted on: 2025/09/20

I participated in the tour primarily for stargazing near the summit of Mauna Kea. Since there is an observatory set up there, I was expecting good weather, but when we arrived at the observation site, it was cloudy, and we couldn't see a perfect starry sky. Our guide managed to take some photos with a few clear spots in the sky as a backdrop. It's nobody's fault, so there's nothing we can do about it.

マウナケア山頂近くでの星空観測が主な目的でツアーに参加しました。天文台も設置される程なので天候も良いと期待していたのですが、観測場所に着いた時には雲がかかっており満点の星空とはいかなかったです。少しの晴れ間を見つけてガイドさんが星をバックに撮影してくれました。こればかりば誰のせいでも無いので仕方ないです。

現地スタッフ: 5
場所・雰囲気: 5
スケジュール: 5
設備: 5
サービスの快適さ: 5
Packages: 基本プラン
Attended as: Solo Travelers | Weather: Cloudy
Tips and suggestions

Please take care of your health as we will be going to a high altitude in a short time using a car.

車を使って短時間で高地に行くので体調に十分気を遣ってください。

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マウナケア山頂夕陽と星空観測ツアー ガイド撮影の一眼カメラ写真を無料ご提供!<夕食付き/英語ガイド>by マサシネイチャースクール
It became an unforgettable experience in my life!
人生で忘れられない体験になりました!
Activity Date: 2025/09/18 | Posted on: 2025/09/19
ang

The guide was very polite and explained the history and natural environment of Mauna Kea in an easy-to-understand manner. The moment the sunset occurred was beautiful, providing an experience that was more moving than any photo could capture.

Although the starry sky was cloudy, the Milky Way was clearly visible to the naked eye.

They were well-prepared with warm clothing and hot drinks, allowing us to enjoy ourselves comfortably even at high altitudes.

ガイドさんがとても丁寧で、マウナケアの歴史や自然環境について分かりやすく説明してくれた。夕陽が沈む瞬間は美しく、写真以上の感動を味わえる。
星空は曇っていたものの天の川は肉眼ではっきり見られた。

防寒具や温かい飲み物の準備も万全で、標高の高い場所でも安心して楽しめた。

現地スタッフ: 5
場所・雰囲気: 5
スケジュール: 5
設備: 5
サービスの快適さ: 5
Packages: 基本プラン
Attended as: Families | Weather: Sunny
Tips and suggestions

People who are sensitive to the cold should bring some Heattech innerwear with them.

寒がりな人は自分でも少しヒートテックのインナーなどを持っていくと良い

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マウナケア山頂夕陽と星空観測ツアー ガイド撮影の一眼カメラ写真を無料ご提供!<夕食付き/英語ガイド>by マサシネイチャースクール
The best sunset
最高のサンセット
Activity Date: 2025/09/17 | Posted on: 2025/09/18

The half-day tour to see the sunset and the starry sky was amazing. A jacket is essential because it's cold. The Milky Way was also breathtaking! ^_^

半日かけてサンセットと星空を見るツアーは最高でした。寒いので上着は必須です。天の川も感動でした^_^

現地スタッフ: 5
場所・雰囲気: 5
スケジュール: 5
設備: 5
サービスの快適さ: 5
Packages: 基本プラン
Attended as: Couples | Weather: Cloudy
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マウナケア山頂夕陽と星空観測ツアー ガイド撮影の一眼カメラ写真を無料ご提供!<夕食付き/英語ガイド>by マサシネイチャースクール
The view was breathtaking.
絶景で感度しました。
Activity Date: 2025/09/16 | Posted on: 2025/09/17

The breathtaking scenery of the Mars-like landscape, along with the view of the sea of clouds and sunset from the mountaintop, was truly moving. The guide's explanations were clear and interesting. I also had wonderful photos taken, which became great memories.

火星のような大地の絶景と、山頂からの雲海と夕陽の眺めは本当に感動的でした。ガイドさんの説明もわかりやすくおもしろったです。素晴らしい写真も撮影者してもらい、いい思い出になりました。

現地スタッフ: 5
場所・雰囲気: 5
スケジュール: 5
設備: 5
サービスの快適さ: 5
Packages: 基本プラン
Attended as: Families | Weather: Sunny
Tips and suggestions

I think that if you consciously increase your breathing rate to prevent altitude sickness, you'll be able to enjoy stargazing with plenty of energy.

高山病予防で、意識的に呼吸回数を増やしておけば、星空観測まで元気でいられると思います。

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マンタ大学夜学部 野生のマンタ&ナイトシュノーケリングツアー <送迎可/日本語スタッフ乗船日あり>
Manta is the best!
マンタ最高〜です
Activity Date: 2025/09/15 | Posted on: 2025/09/17

At the first point, we didn't encounter any manta rays, so we moved to a spot where we could meet them while holding onto the pole. Then, illuminated by the light, the manta ray appeared beautifully as if it was glowing. It was truly breathtaking. After that, it seemed like it was greeting us, swirling around and opening its mouth wide to suck in plankton, which made us incredibly excited each time. The water temperature was a bit low, and by the time we returned to the boat, we were shivering. However, we received hot chocolate on the boat, which warmed up both our salty mouths and cold bodies a little. Thanks to the Japanese guide's attentiveness, we were able to enjoy the tour without any worries. Thank you very much. I would definitely recommend this experience to anyone going to the Big Island of Hawaii.

最初のポイントではマンタは現れなかったので、私達はポールにつかまったままマンタに遭遇できるポイントまで移動。すると光に照らされてまるでマンタが光っている様に美しく登場しました。大感激です。その後も挨拶でもしてくれてるかの様にクルクルと回転したり、口を大きく開けてプランクトンを吸い込んでいる様子がみれて、その度に大興奮でした。水温が少し低くて船に戻る頃にはガタガタ震えてしまいましたが、船でホットチョコのドリンクを貰い塩っぱい口の中も寒い体も少し温まりました。日本語ガイドの方が気を配って頂いたので何も不安なくツアーを楽しめました。ありがとうございました。ハワイ島に行く方には、是非参加する様勧めたいと思います。

現地スタッフ: 5
場所・雰囲気: 5
スケジュール: 5
設備: 5
サービスの快適さ: 5
Packages: 1便プラン(送迎付き)
Attended as: Families | Weather: Sunny
Tips and suggestions

Since we will be leaving in the evening, we can also enjoy the sunset. Once we get on the boat, it will be cold, so I think a large towel is definitely necessary.

夕方に出るので夕日も楽しめます。船に上がってからは寒いので大きなタオルは絶対いると思います。

Reply from activity provider

Aloha! Thank you for participating in the Manta University on the Big Island. We also appreciate your five-star rating. The manta rays spinning right in front of you are truly spectacular, aren't they? Thank you for your comments regarding cold weather precautions as well. When you come to Hawaii again, please take advantage of our repeat visitor discount and come back to visit us. We sincerely look forward to your next participation. Mahalo nui and a hui hou!

アロハ! おハナさま。ハワイ島マンタ大学に参加していただき、ありがとうございました。五つ星評価にも感謝いたします。目の前で回転するマンタは迫力満点ですよね!! 寒さ対策に関するコメントもありがとうござます。ぜひ、ハワイにいらっしゃる際にはリピーター割引を利用して遊びに来てくださいね。またのご参加を心よりお待ちしております。Mahalo nui and a hui hou!

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マウナケア山頂夕陽と星空観測ツアー ガイド撮影の一眼カメラ写真を無料ご提供!<夕食付き/英語ガイド>by マサシネイチャースクール
First ascent of Mauna Kea
マウナケア初登頂
Activity Date: 2025/09/15 | Posted on: 2025/09/17

I was excited to sign up for a plan that allows you to go to a height higher than Mount Fuji at 4,200m. I originally applied for the sunrise tour, but it was canceled due to the organizer's circumstances, so I opted for the sunset tour instead.
What I felt most when I reached the summit was just how big the sun is! It felt so close! The day before, I enjoyed a beach sunset, and while both experiences were wonderful, this was truly a one-of-a-kind experience.
The starry sky was really what they mean by "stars falling," with a sky full of stars, stars, and more stars. It was a fantastic experience to see both the Northern and Southern Hemispheres.

4,200mという富士山より高いところへ行けるというプランにドキドキして申し込みました。本当はサンライズを申し込みましたが、主催者都合で却下されてこのサンセットツアーにしました。
山頂に登って一番感じたのはとにかく太陽が大きい‼️近い‼️前日はビーチサンセットを楽しみましたがその対比もありどちらも素敵でしたが、唯一無二の体験でした。
星空も本当に「星が降る」とはこのことで、満点の星、星、星。北半球と南半球と両方見れる素晴らしい体験でした。

現地スタッフ: 4
場所・雰囲気: 5
スケジュール: 5
設備: 2
サービスの快適さ: 4
Packages: 基本プラン
Attended as: Couples | Weather: Sunny
Tips and suggestions

If you haven't been, you definitely won't regret going.

行ったことがないなら絶対行って損しません。

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マウナケア山頂夕陽と星空観測ツアー ガイド撮影の一眼カメラ写真を無料ご提供!<夕食付き/英語ガイド>by マサシネイチャースクール
A wonderful experience.
素敵な体験
Activity Date: 2025/09/15 | Posted on: 2025/09/17
FK

In mid-September, with no clouds or moon, the sunset near the observatory and the starry sky including the Milky Way from the mountainside were beautifully visible. Since everyone was Japanese, the tour was conducted in Japanese. It was a bit cramped in the car due to the large number of participants. There was rental available for upper and lower cold-weather gear, and it wasn't as cold as I expected.

9月の中旬の参加で、雲も月もなく、天文台近くからの夕陽や山の中腹から天の川を含む星空が綺麗に見えました。全員日本人のため日本語のツアーでした。人数が多かったので車が少し窮屈でした。上下の防寒具のレンタルがあり思ったより寒くなかったです。

現地スタッフ: 5
場所・雰囲気: 5
スケジュール: 5
設備: 4
サービスの快適さ: 5
Packages: 基本プラン
Attended as: Couples | Weather: Sunny
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Mauna Kea Summit Sunset & Stargazing Tour with Meal, Transportation & Guide
Otherworldly!
Activity Date: 2025/09/15 | Posted on: 2025/09/16

An amazing experience watching the sun set into the clouds at the summit of Mauna Kea, breath taking. Followed up with an evening of incredible stargazing, to hard to explain the beauty of it. James was an excellent tour guide diving into Hawaiian history, culture, and his knowledge of the observatories, their work and the constellations that we could see during our star gazing experience made the evening even better.

Local customer service: 5
Location & environment: 5
Schedule & duration: 5
Equipment & facilities: 5
Comfort & well-being: 5
Packages: Standard Package
Attended as: Couples | Weather: Sunny
Tips and suggestions

Warm Jackets are provided but bring a sweater as well.

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マウナケア山頂夕陽と星空観測ツアー ガイド撮影の一眼カメラ写真を無料ご提供!<夕食付き/英語ガイド>by マサシネイチャースクール
A wonderful sunset and a starry sky.
素晴らしい夕日と満天の星空
Activity Date: 2025/09/14 | Posted on: 2025/09/16

We were blessed with great weather and saw a wonderful sunset and a starry sky. I was very satisfied. There were a total of 12 participants: 8 foreigners and 4 Japanese. Our guide, James, was a very pleasant young man who worked hard to explain in Japanese and took many photos for us. It was a very enjoyable and pleasant tour. The sandwiches for dinner were also delicious. There was no wind and it wasn't too cold, so the down coat we borrowed was sufficient.
I think everyone should participate at least once when they come to the Big Island. It became a wonderful memory. I'm glad I participated.

天候に恵まれ素晴らしい夕日と満天の星空が見れました。大満足です。外国人の方8名と日本人4名計12名の参加でした。ガイドのジェームスさんはとても感じの良い青年で一生懸命頑張って日本語で説明し写真もたくさん撮ってくださいました。とても楽しく気持ちの良いツアーでした。夕食のサンドイッチも美味しかったです。風もなくあまり寒くなかったので貸していただいたダウンコートで大丈夫でした。
ハワイ島に来たら一度は参加した方がいいと思います。
素晴らしい思い出になりました。参加して良かったです。

現地スタッフ: 5
場所・雰囲気: 5
スケジュール: 5
設備: 5
サービスの快適さ: 5
Packages: 基本プラン
Attended as: Couples | Weather: Sunny
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マンタ大学夜学部 野生のマンタ&ナイトシュノーケリングツアー <送迎可/日本語スタッフ乗船日あり>
Excited about manta rays!
マンタにドキドキ
Activity Date: 2025/07/13 | Posted on: 2025/09/15

After participating in a dolphin tour on the Big Island, I thought about trying "Manta" for the next ten years, and I finally got to join the "Manta University Night Class." Since it was a night class, I had the image that "the dark sea is scary," which made it hard for me to take the plunge. However, as I've gotten older, I thought this might be my last chance, so I decided to participate. To my surprise, there was not even a hint of the feeling of a dark sea. It was amazing to see the mantas swimming gracefully through the water, and I was so close that I could almost touch them.

ハワイ島のイルカツアーに参加して、次は「マイタ」に挑戦と思ってから10年、ようやく
『マンタ大学夜間部』に参加する事ができました。
夜間部という事で、『暗い海は怖い』イメージがあり、なかなか踏み出せませんでしたが、
年齢も重ね、これが最後と考え参加しましたが、暗い海という感じは1ミリもなく、マンタが
海の中を『優雅に飛ぶ様に泳ぎ』、『もう少しでマンタに触れらる』という感動で最高でした。

現地スタッフ: 4
場所・雰囲気: 5
スケジュール: 5
設備: 4
サービスの快適さ: 4
Packages: 1便プラン
Attended as: Couples | Weather: Sunny
Tips and suggestions

I am 66 years old, but this is a tour that anyone can join. If you have the opportunity to go to the Big Island of Hawaii, I definitely recommend this tour.

私は66歳ですが、誰でも参加できるツアーです。
ハワイ島に行く機会があれば、是非お勧めのツアーです。

Reply from activity provider

Aloha! Thank you, Subaru, for enrolling at Manta University on the Big Island of Hawaii. We also appreciate you sharing those wonderful photos of the manta rays and the sunset. It's true that the manta rays "swim gracefully as if flying" in the ocean! Please make sure to take advantage of our repeat visitor discount when you come back to Hawaii. We sincerely look forward to your next participation. Mahalo nui and a hui hou!

アロハ! すばるさま。ハワイ島マンタ大学に入学していただき、ありがとうございました。素敵なマンタとサンセットの写真の共有にも感謝いたします。マンタが海の中を「優雅に飛ぶように泳ぎ」とはまさにその通りですよね!! ぜひ、ハワイにいらっしゃる際にはリピーター割引を利用して遊びに来てくださいね。またのご参加を心よりお待ちしております。Mahalo nui and a hui hou!

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マウナケア山頂夕陽と星空観測ツアー ガイド撮影の一眼カメラ写真を無料ご提供!<夕食付き/英語ガイド>by マサシネイチャースクール
A perfect starry sky after the clouds.
曇りからの満点の星空
Activity Date: 2025/09/09 | Posted on: 2025/09/15

It was an English-guided tour, but our guide Shou-chan explained all the important things in Japanese as well, which was very helpful. The sandwiches for dinner could accommodate vegetarians and were reportedly from a famous shop, so they were very delicious.

Unfortunately, the sunset was obstructed by sudden clouds, so we couldn't see it beautifully. However, during the stargazing time, when I was about to give up due to the clouds, the sky cleared up, and in the end, we were able to see a sky full of stars, including the Big Dipper and the Milky Way! It was very interesting to hear detailed explanations about the constellations, and we could see artificial satellites clearly.

The summit of Mauna Kea is a difficult place to reach on your own, and preparing warm clothing is also quite challenging, so joining the tour was definitely the right choice. Thank you for the valuable experience!

英語ガイドのツアーでしたが、ガイドのしょうちゃんが、大事な事はすべて日本語でも説明してくださったので、とても助かりました。
夕食のサンドイッチはベジタリアン対応もできました。有名なお店のものらしくとても美味しかったです。

サンセットは、急な雲に邪魔されて、残念ながら綺麗には見られませんでした。。
星空観察の時間も雲が多くて諦めかけていたら、、どんどん晴れてきて最後は満天の星空になり、北斗七星や天の川まで見る事ができました!
星座の詳しい解説を聞け、人工衛星もよく見えてとても面白かったです。

マウナケアの山頂は道も険しく自力では行けない所ですし、防寒具の用意も大変ですから、ツアー参加が正解ですね。
貴重な体験をありがとうございました!

現地スタッフ: 5
場所・雰囲気: 5
スケジュール: 5
設備: 5
サービスの快適さ: 5
Packages: 基本プラン
Attended as: Couples | Weather: Sunny
Tips and suggestions

I think it would be good for those who get cold easily to have a Hot Pack.

寒がりの方はホッカイロがあると良いと思います。

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マウナケア山頂夕陽と星空観測ツアー ガイド撮影の一眼カメラ写真を無料ご提供!<夕食付き/英語ガイド>by マサシネイチャースクール
Easy-to-understand guide!
わかりやすいガイド!
Activity Date: 2025/09/13 | Posted on: 2025/09/14

Mr. Shoyo's guide was very easy to understand and listen to! While satisfying my intellectual curiosity with the history of the Big Island and tales of the starry sky, I enjoyed breathtaking views and a relaxing atmosphere. It was a wonderful experience.

ショウヨさんのガイドはとてもわかりやすく聞きやすかったです!ハワイ島の歴史や星空の寓話など知的好奇心もくすぐられながら、絶景を見て癒し空間も楽しめてとても良い時間でした。

現地スタッフ: 5
場所・雰囲気: 5
スケジュール: 5
設備: 5
サービスの快適さ: 5
Packages: 基本プラン
Attended as: Families | Weather: Sunny
Tips and suggestions

It was very, very cold when watching the sunset, so if you go, it's best to take significant measures to keep warm. I set out in short sleeves and long pants, and halfway through, I put on a hoodie I

サンセットを見る時はとてもとても寒かったので、行かれる際はかなり防寒対策をしていまた方が良いです。半袖、長ズボンで出発して、途中で持参したパーカーを一枚着て、その上に支給いただいた防寒着を寒かったです

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マウナケア山頂夕陽と星空観測ツアー ガイド撮影の一眼カメラ写真を無料ご提供!<夕食付き/英語ガイド>by マサシネイチャースクール
The sun sinking into the sea of clouds, and the Milky Way.
雲海に沈む太陽、そして天の河。
Activity Date: 2025/09/11 | Posted on: 2025/09/14

I previously participated in the Sunrise Tour, so this time I joined the Sunset Tour. I was able to experience a different kind of emotion compared to the Sunrise. Also, since the stargazing was before the moon rose, the sky was filled with stars. Our guide, Masashi, provided explanations in Japanese for the Japanese guests, which was very nice.

以前、サンライズツアーに参加したことがあるので、今回はサンセットツアーに参加。
サンライズとはまた違った感動を得ることができました。また、星空観測は月が上る前だったので、満天の星。ガイドのまさしさんが日本人客のために日本語で解説してくださり、とても良かったです。

現地スタッフ: 5
場所・雰囲気: 5
スケジュール: 5
設備: 4
サービスの快適さ: 4
Packages: 基本プラン
Attended as: Couples | Weather: Cloudy
Tips and suggestions

Please be careful as it is cold. You can borrow winter clothing such as down jackets, but please prepare your own gloves and long-sleeve shirts.

寒いのでお気をつけて。
ダウンジャケットなど防寒着は借りられますが、手袋や長袖シャツなどはご自分で用意ください。

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マンタ大学夜学部 野生のマンタ&ナイトシュノーケリングツアー <送迎可/日本語スタッフ乗船日あり>
Closer than I imagined.
想像以上の近さ
Activity Date: 2025/09/07 | Posted on: 2025/09/12
kk

We participated as a couple. We were a bit anxious since we were the only Japanese people there, but the staff member Tamae provided us with detailed explanations in Japanese and frequently checked in with us, which made us feel at ease. The manta rays in the night sea were incredibly powerful, and it was a very mystical experience.

夫婦で参加させてもらいました。日本人が私たちのみで不安でしたが、スタッフのタマエさんが日本語で丁寧な説明や頻回な声かけをしてくださり安心できました。夜の海でのマンタは大迫力で、とても神秘的な体験ができました。

現地スタッフ: 5
場所・雰囲気: 5
スケジュール: 5
設備: 4
サービスの快適さ: 5
Packages: 1便プラン
Attended as: Couples | Weather: Sunny
Reply from activity provider

Aloha! Thank you for participating with your spouse at Manta University on the Big Island. We also appreciate your five-star rating. The manta rays swimming right in front of you are indeed impressive and mysterious, aren't they? Thank you for your comments about our Japanese guide, Tamae. Please make sure to take advantage of our repeat visitor discount when you come back to Hawaii. We sincerely look forward to your next visit. Mahalo nui and a hui hou!

アロハ! kkさま。ハワイ島マンタ大学にご夫婦で参加していただき、ありがとうございましまた。五つ星評価にも感謝いたします。目の前を泳ぐマンタは迫力があり神秘的ですよね!! 日本語ガイドのタマエに関するコメントもありがとうございます。ぜひ、ハワイにいらっしゃる際にはリピーター割引を利用して遊びに来てくださいね。またのご参加を心よりお待ちしております。Mahalo nui and a hui hou!

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マウナケア山頂夕陽と星空観測ツアー ガイド撮影の一眼カメラ写真を無料ご提供!<夕食付き/英語ガイド>by マサシネイチャースクール
Thank you for the valuable experience!
貴重な体験をありがとうございました!
Activity Date: 2025/09/09 | Posted on: 2025/09/12

Wes (Shotaro), our guide, spoke Japanese, which made the explanations very easy to understand and helpful for me as a Japanese person.

Unfortunately, the day we participated was quite foggy and cloudy, so we couldn't see the sunset at all. Because of that, I didn't expect much from the starry sky, but after watching the sky for a while, it cleared up, and I was ultimately satisfied to see a sky full of stars! Mauna Kea, famous for its observatories from various countries, truly lived up to its reputation with a breathtaking starry sky that was even more wonderful than I had imagined. Thank you very much.

ガイドを担当してくれたwes(shotaro)さんが日本語を話せるため、日本人の私としては説明がとてもわかりやすく助かりました。

私たちが参加した日はあいにく霧や雲が多い日で夕陽は全く見れませんでした。そのため星空にも期待していませんでしたが、暫く空を眺めているうちに空が晴れ、結果的に満天の星空を見ることができたので満足しています!
各国の天体観測所があることで有名なマウナケア山ですが、噂に違わぬ満天の星空、想像以上に素晴らしかったです。ありがとうございました。

現地スタッフ: 5
場所・雰囲気: 4
スケジュール: 4
設備: 3
サービスの快適さ: 4
Packages: 基本プラン
Attended as: Couples | Weather: Cloudy
Tips and suggestions

You can drive to the summit of Mauna Kea, and you'll arrive faster than you might expect. Be aware that many people experience dizziness, drowsiness, and overall fatigue, even if they don't develop al

マウナケア山頂までは車で登りますが想像よりも早く着きます。高山病までいかなくとも多くの人にふらつきや眠気、全身倦怠感が出ることに注意。また頂上は寒いので、貸してくれるスキーウェアを着た方がいいです。

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マウナケア山頂夕陽と星空観測ツアー ガイド撮影の一眼カメラ写真を無料ご提供!<夕食付き/英語ガイド>by マサシネイチャースクール
I was able to see the most beautiful sunset and starry sky in my life.
人生で最も綺麗な夕日と星空を見れました
Activity Date: 2025/09/10 | Posted on: 2025/09/11
uym

The guide was fluent in both English and Japanese, which made everything very easy to understand. We had two large vans, and since everyone in our group was Japanese, the guide communicated with us in Japanese. Their personality was great, and everything was handled with care and professionalism. The lively conversation during the journey was also a highlight, and everything from gathering to dispersing went very smoothly. The weather was nice, and the sunset and starry sky at the summit were incredibly beautiful. From 4,200 meters, the stars were so clear that we could see the Milky Way with the naked eye; it was the most beautiful starry sky I've ever seen. The previous day, they couldn't see the sunset, so it depends on the weather, but I believe this tour is worth participating in at least once in a lifetime.

英語と日本語を話せるガイドさんがいた為とてもわかりやすかったです。大型のバン2台だったのですが、私たちの方は全員が日本人だったのでガイドさんが日本語で対応してくれました。人柄もよく全てが丁寧でプロフェッショナルでした。移動中の軽快なトークも魅力で集合から解散まで全てがとてもスムーズでした。天気も良く山頂のサンセットと星空がとても綺麗でした。4200mから見る星空は肉眼で天の川がびっしり見えて、これまで見た星空で1番綺麗でした。前日はサンセットが見れなかったとのことで、天気次第ですが、一生に一度は参加する価値のあるツアーだと思います。

現地スタッフ: 5
場所・雰囲気: 5
スケジュール: 5
設備: 5
サービスの快適さ: 5
Packages: 基本プラン
Attended as: Couples | Weather: Sunny
Tips and suggestions

I think it's better to avoid the full moon day since you won't be able to see any stars at all. You can see a perfect starry sky about 2-3 days after the full moon.

満月の日は全く星が見えないとのことで避けた方が良いかと思います。満月から2-3日後から満点の星空が見えます。

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マウナケア山頂夕陽と星空観測ツアー ガイド撮影の一眼カメラ写真を無料ご提供!<夕食付き/英語ガイド>by マサシネイチャースクール
The summit is over 4000 meters.
山頂は4000m超
Activity Date: 2025/09/09 | Posted on: 2025/09/10

This time, I couldn't see the sunset (due to the bad weather from Hurricane Kiko), but I was able to see the stars. The summit is worth visiting just to see the observatories. The guides include some who can speak Japanese, making it a good tour (even those who can't speak Japanese are studying the language). However, please be aware that the summit is over 4000 meters high. The oxygen levels are low. Mount Fuji is 3700 meters, you know!

今回夕陽は観れませんでしたが、(ハリケーンKikoで天候不順)星は観る事ができました。
山頂は天文台群を観るだけでも価値はあります。ガイドも日本語が話せる方もいて良いツアーです。(話せないガイドさんも日本語勉強中とか。)
ただ、山頂は4000m超である事に注視して下さい。酸素濃度は低いです。
富士山は3700mですからネ‼️

現地スタッフ: 5
場所・雰囲気: 5
スケジュール: 5
設備: 5
サービスの快適さ: 5
Packages: 基本プラン
Attended as: Solo Travelers | Weather: Cloudy
Tips and suggestions

If you come to the Big Island, you should definitely go. Just be sure to pay attention to your health.

ハワイ島に来たなら行くべきです。
くれぐれも体調には注視してですが。

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マウナケア山頂夕陽と星空観測ツアー ガイド撮影の一眼カメラ写真を無料ご提供!<夕食付き/英語ガイド>by マサシネイチャースクール
A comfortable and wonderful experience.
快適で素敵な体験
Activity Date: 2025/09/03 | Posted on: 2025/09/07
KM

The guide spoke English and did their best to communicate while translating in broken phrases. It was reassuring that jackets and oxygen tanks were available at all times. Meals and water were provided at my own timing, and I could eat and drink in the vehicle during transit, which was better than I expected in terms of taste. The travel time is long, but we stopped at shooting spots along the way, so it wasn't boring. The scenery is wonderful, but depending on the brightness of the moon, it can be difficult to see the stars, so checking the lunar calendar and adjusting the schedule would be best.

英語ガイドでしたが、翻訳しながらカタコトで頑張って伝えてくださりました。
ジャケットや酸素ボンベはいつでも利用できるので、安心できました。
食事や水も自分のタイミングでもらえて、移動中の車内でも飲食可で、期待していたよりも美味しかったので良かったです。
移動時間は長いですが、撮影スポットで止まりながら向かうので、飽きませんでした。
景色は素晴らしいですが、月の明るさによっては星が見えづらくなるので、月齢カレンダーでチェックして日程調整できるとベストです。

現地スタッフ: 5
場所・雰囲気: 5
スケジュール: 5
設備: 5
サービスの快適さ: 5
Packages: 基本プラン
Attended as: Couples | Weather: Cloudy
Tips and suggestions

Don't forget to check the moon phase.

月齢の確認をお忘れなく。

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マウナケア山頂夕陽と星空観測ツアー ガイド撮影の一眼カメラ写真を無料ご提供!<夕食付き/英語ガイド>by マサシネイチャースクール
The sunset view from the top was very beautiful.
頂上から見るサンセットがとてもキレイでした
Activity Date: 2025/09/03 | Posted on: 2025/09/07

I participated at the beginning of September, and it was indeed very cold at the summit. I'm glad I brought a lightweight down jacket and disposable hand warmers. Since it was half a moon, there were fewer visible stars than I had expected, which was disappointing.

9月初めに参加しましたが、やはり頂上はとても寒く、薄手のダウンジャケットや使い捨てカイロ等を持参して良かったです。
半月だったので思っていたより、見える星が少なかったのが残念でした。

現地スタッフ: 5
場所・雰囲気: 4
スケジュール: 4
設備: 4
サービスの快適さ: 4
Packages: 基本プラン
Attended as: Families | Weather: Sunny
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マウナケア山頂夕陽と星空観測ツアー ガイド撮影の一眼カメラ写真を無料ご提供!<夕食付き/英語ガイド>by マサシネイチャースクール
I was very satisfied!
大満足でした!
Activity Date: 2025/09/03 | Posted on: 2025/09/05

There were several groups of Japanese people, so we were also provided with a guide in Japanese! The guide was very kind, and I was able to enjoy myself with peace of mind! I was completely satisfied with the view from the summit, the sunset, and the night sky!

日本人のグループが複数いたので、日本語でのガイドもしていただけました!
ガイドさんは親切な方で、安心して楽しめました!
山頂からの景色、夕日、夜空全てに大満足です!

現地スタッフ: 5
場所・雰囲気: 5
スケジュール: 5
設備: 5
サービスの快適さ: 5
Packages: 基本プラン
Attended as: Couples | Weather: Sunny
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Mauna Kea Summit Sunset & Stargazing Tour with Meal, Transportation & Guide
perfect experience
Activity Date: 2025/08/29 | Posted on: 2025/09/04

We enjoyed a perfect sunset and stargazing was cold, but worth it. The tour guide and driver were very good, professional and enthusiastic.

Local customer service: 5
Location & environment: 5
Schedule & duration: 5
Equipment & facilities: 5
Comfort & well-being: 5
Packages: Standard Package
Attended as: Friends | Weather: Sunny
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マウナケア山頂夕陽と星空観測ツアー ガイド撮影の一眼カメラ写真を無料ご提供!<夕食付き/英語ガイド>by マサシネイチャースクール
I recommend it.
お勧めです
Activity Date: 2025/09/02 | Posted on: 2025/09/04

The first time, the tour was canceled due to rare bad weather. I made a comeback two days later. The sunset sinking into the sea of clouds was stunning. By chance, there was also an eruption at Kilauea, and I was able to see the phenomenon of the sky turning red above the sea of clouds, which made me very satisfied. Next time, I will go on a sunrise tour.

1回目は滅多にない悪天候により、ツアー中止。再度、2日後にリベンジしました。雲海に沈む夕陽。偶然、キラウエアの噴火もあり、雲海の上に赤く染まる現象も見えて、大満足でした。次回は日の出ツアーにいきます

現地スタッフ: 5
場所・雰囲気: 5
スケジュール: 5
設備: 4
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Attended as: Couples | Weather: Sunny
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Things to Do in Big Island in 2026 – Tours & Activities | HawaiiActivities.com
Kailua-Kona, just minutes from Kona International Airport (KOA), is a top destination for tours and activities on Hawaii’s Big Island. Enjoy a traditional Hawaiian luau, take a submarine ride beneath the waves, or relax on a sunset cruise along the Kona Coast. Adventurous travelers can snorkel or dive with manta rays just south of town in Keauhou. With historic sites, coffee farm tours, and oceanfront dining along Aliʻi Drive, Kailua-Kona is the perfect base for Big Island fun.