Find & Book Activities
in Hokkaido, Japan
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It's really beautiful to see the ocean floor through the glass bottom of the boat.
The "glass boat" of the outfitted ship is equipped with a roof and side seats, so you can enjoy a comfortable cruise without getting splashed by the waves.
Enjoy the surrounding scenery as well
Enjoy the surrounding scenery as well
Ride on a comfortable ocean cruiser
See the beautiful Hokkaido ocean
Depart from near the Otaru Aquarium- Otaru Glass Boat cruise!
- Location
Otaru
- Available Period
Late April~ Early October
- Duration
~1 hour
- Fee
Tour Highlights
- A beautiful tour around Otaru’s coastline and strange rock formations
- Otaru’s only glass boat where you can see the ocean floor
- Equipped with a roof and side seats for a comfortable cruise!
– Notice –
On July 17, 2025, a rock fell from the upper wall near the exit of the Blue Cave.
The Blue Cave Council has deemed this an emergency serious incident, and with safety as our top priority, we have decided to suspend entry into the cave for the time being.
We apologize for the inconvenience to everyone who was looking forward to the Blue Cave Glass Boat Tour, and we ask for your understanding.
Although we will not be able to enter the cave we will continue to operate our cruises with safety as our top priority.
This cruise is full of attractions, including the spectacular views from the boat in Otaru, the fantastic blue of the ocean, a guide from a veteran captain, viewing the seabed from a glass boat, and feeding the seagulls. We will continue to convey the charm of Otaru’s ocean so that many customers can enjoy it with peace of mind, and all of our staff look forward to welcoming you!
Depart from Shukutsu Marina and enjoy the scenery on the cruise. When we approach the 2m high rock island “Todoiwa” or the Blue Cave, we will slow down the boat and look at the ocean floor through the glass bottom, which is very beautiful.
Please bring your small children and dogs (please contact us in advance) and experience the ocean of Otaru that we love so much. A portion of the proceeds from this tour will be used to help protect the marine environment.
- There are no age restrictions
- Minimum number of passengers required to depart
Meeting Location
Otarushukutsu Marina
Meeting Address
3 Chome-197 Shukutsu, Otaru, Hokkaido 047-0047
Meeting Location Details
If you are coming by car or chartered bus, please use the Shukutsu Marina Parking Lot (free of charge)
Access to Meeting Location
[Access by bus]
- From Otaru Station, ~21 minutes
- Use the Otaru Station Hokkaido Chuo Bus [11] bound for Otaru Aquarium via Akaiwa
- Get off at Shukutsu
[Access by taxi]
- ~2o minutes from Otaru Station
- ~2,200 yen
What to Bring & Wear
- Layers in case it gets cold
Overview
- Available Period
-
Late April~ Early October
- Duration
~1 hour
- Please arrive 30 minutes before departure
[April 27th – May 6th]
- 1) 9:00 departure
- 2) 10:30 departure
- 3) 12:00 departure
- 4) 13:30 departure
- 5) 15:00 departure
[May 7th – June 30th]
- 2) 10:30 departure
- 3) 12:00 departure
- 4) 13:30 departure
- 5) 15:00 departure
[July 1st to August 31st]
- 1) 9:00 departure
- 2) 10:30 departure
- 3)12:00 departure
- 4) 13:30 departure
- 5) 15:00 departure
- 6) 16:30 departure
[September 1st to October 6th]
- 2) 10:30 departure
- 3) 12:00 departure
- 4) 13:30 departure
- 5) 15:00 departure
- Fee
- Adults: 6,000yen
- Children (ages 6-12): 2,500yen
- Children ( ages 5 and younger: 0yen
- Private boat charter (up to 12 people): 65,150yen
- What's Included
- Tour
- Life jackets
- Insurance
- Consumption tax
- Payment
Prepayment by credit card
Notes
- If the tour cannot proceed due to heavy rain, lightning, wind, or blizzard, we will cancel the tour and inform you.
- Please follow all of the instructions of the captain
Reviews(17)
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Blue Cave Glass Boat Tour
My husband and I participated. It was very safe and the stories of the students were interesting. We had a lot of fun. We would like to participate again. (This review has been machine translated) -
Great fun
One person First of all, the boat ride is like a roller coaster and it's fun. And the Blue Cave is really beautiful. What's more, we also had the chance to feed the seabirds. (This review has been machine translated)
- Location
Otaru
- Available Period
Late April~ Early October
- Duration
~1 hour
- Fee
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4.5 (17)
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Captain is the best!!
We had a great time on September 29th♪ The captain's guide and the local talk were fun and we had a very meaningful hour. I took my mother, my 5-year-old son, and my son's friend on the boat, and we all had a great time (^ ^) Thank you♪ (This review has been machine translated) -
Blue Cave Glass Boat Tour
My husband and I participated. It was very safe and the stories of the students were interesting. We had a lot of fun. We would like to participate again. (This review has been machine translated) -
Great fun
One person First of all, the boat ride is like a roller coaster and it's fun. And the Blue Cave is really beautiful. What's more, we also had the chance to feed the seabirds. (This review has been machine translated) -
Glass boat tour of the Blue Cave
The driver was very careful and I was able to ride with peace of mind. The captain's stories were interesting and humorous, and the atmosphere was fun, so I didn't feel lonely even though I was alone. Because it was a glass-bottom boat, I was able to see the creatures well, and I was able to feed the black-tailed gulls by hand. (This review has been machine translated) -
Spectacular views and pleasant sea breeze.
Husband: The boatman was kind and explained well, so we had a great time. (This review has been machine translated) -
Jackpot
I participated with a friend. It was our first time to go on a Blue Cave cruise. We chose this one because it had good reviews among the many options. It turned out to be a big hit! We were able to take plenty of videos inside the cave, and they also showed us the best spots to take photos. And best of all, the captain's talk was amazing! I want to go on it again! (This review has been machine translated) -
Blue Cave Tour
The guide's talk was really enjoyable and I would definitely like to use this service again! (This review has been machine translated) -
A wonderful captain!
The captain grew up playing on the sea of Otaru from an early age, and has been involved in the sea business for many years, so he knows the sea of Otaru inside and out. He made sure to avoid the waves when sailing the boat, giving us a sense of security. We were lucky to discover a group of dolphins and get to see them up close! Inside the main Blue Cave, the boat rotated so that all passengers could get a good view, and we were able to take some great photos. I'd definitely like to go again! (This review has been machine translated) -
It was good
The weather was fine on the day and the waves were calm. However, the fact that it was roofed was a relief. The captain's explanations and accurate advice on taking photos inside the cave made it a fun and enjoyable experience. I enjoyed not only the Blue Cave but also the round trip. (Solo participant) (This review has been machine translated) -
It was a great experience
I went with my family. The captain's stories were interesting and we had a great time. The sea was also very beautiful. I gave it a minus 1 star because I think the price is high. This time I went because it was half price with the Doumin discount, but I don't think I would go again if it was full price. (This review has been machine translated) -
It was a beautiful blue
I was on the ride by myself. With the guide's excellent guidance, we arrived at the cave. The beautiful blue sky and the cute cries of the house martins. I was filled with happiness. Thank you very much. (This review has been machine translated) -
Family Travel
We planned a trip to Hokkaido with our family to celebrate my mother's birthday. I was worried about getting my elderly mother, who has trouble walking, on the glass board, but with the assistance of the staff, she was able to get on safely. Also, at the Blue Cave, we were able to take photos from a great angle, and the captain's consideration was very kind. My mother said that riding the glass board was the most fun part of the trip. Thank you very much. (This review has been machine translated) -
90 Minutes of Speed
I used this service when I went on a trip to Hokkaido with my coworkers. I left with plenty of time, but we got lost more than expected and ended up a little late. (This review has been machine translated) -
I made some great memories.
There were many cruises to choose from, but I was drawn to the glass board and decided on this one. The ocean was so beautiful, and I could see the fish, sea urchins, and the ocean floor from the glass board, which was amazing! The captain was very considerate and we had the boat to ourselves, so we got great service^^ It was a wonderful honeymoon and we had great memories. (This review has been machine translated) -
I made some great memories.
There were many cruises to choose from, but I was drawn to the glass board and decided on this one. The ocean was so beautiful, and I could see the fish, sea urchins, and the ocean floor from the glass board, which was amazing! The captain was very considerate and we had the boat to ourselves, so we got great service ^^ We had a wonderful honeymoon and made it a great memory. (This review has been machine translated) -
Middle-aged couple trip
On May 20th, my husband and I went to the Blue Cave! We looked around and found many tours, and it was hard to decide, but we were drawn to the glass-bottom boat and decided on this one! We made a reservation for 3 o'clock, so we were worried about the cold, but we were given something to wear over our clothes so it was fine. By chance, we spotted a baby sea lion on a rock, which caused quite a commotion on the boat. Then, we went to the cave! It was more moving than we could have ever imagined. We took photos of each other and the 90 minutes flew by. It was a wonderful tour where you could really get a feel for the captain's personality. I'm really glad we chose this place! (This review has been machine translated) -
Blue Cave
We went to Hokkaido during the summer holidays and experienced the Blue Cave Tour (August 11th). We had the place to ourselves, and although we did get a little rain, the staff were very considerate and it was such a wonderful experience that it was still a good experience. The children called it their best memory of the summer holidays. As someone who is not familiar with Otaru, I would like to request two improvements: the explanation of the meeting place was hard to understand, and I would like more information about the parking lot. If I go to Hokkaido again, I would definitely like to use other tours. (This review has been machine translated)
Captain is the best!!