- Features of this plan
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Enjoy the ocean of Kohama Island by renting a boat!
Boat Charter Course with ChildrenYou can enjoy Kohama Island in the afternoon for about 3 to 4 hours in any combination you like.
Please feel free to ask us to determine the schedule according to your needs.
Recommendations◆Fully private and enjoyable charters
◆Tourist in the morning and enjoy in the afternoon.
◆Includes snorkeling and landing on a mysterious island
Flexible schedule customization!
◆with free photo data as a gift
◆For beginners and with childrenThere are also a variety of items for children to enjoy in peace, such as sand play equipment and free tanning mini-tents for rent!
Guide to the best point of the day
For those with small children, we will take them to the Phantom Island to play in the ocean and to a point where they can see cute tropical fish in shallow water with few waves.
Charter tours are the only way to enjoy the ocean at your own pace, with a schedule that meets your needs.
Examples of activities that can be experienced◆Landing on a Phantom Island
◆Shihshi Jagoho Area
◆Mermaid Photo
◆Snorkeling
◆Sunset (I want to enjoy the sunset on a phantom island.(Requests such as "I'm OK☆" are also acceptable.)Requests for sea turtle points, spots with beautiful corals and cute fish, dynamic points with big fish, etc. are welcome!
Phantom Island (Hamashima)
Phantom Island (official name: Hamashima) is a sandy island located approximately 3 km north of Kohama Island. It is called "Phantom Island" because it disappears and reappears depending on the tide.
The island is a beautiful white crescent moon shape when seen from above. Its beauty makes it a spectacular location for commercials, photogravure shoots, and even weddings.
With photo data present☆.
We will also give away free photo data from the day of the tour, so please take a look at them after the tour!
- Reference Schedule
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Contents 14:00 Pick-up at Obama Port or your accommodation
If you are coming from outside of Kohama Island, please use the ferry.
Click here to book ferry ticketsLanding on a Phantom Island
→You can enjoy your time in any way you like (mermaid experience, picking up shells and corals, relaxing by the waves).Snorkeling is also available!
→Swim with the coral reefs and cute fish of Ishisei Lagoon.18:00 End of tour/transfer to your accommodation *The above is a guide only.
Please let us know your preferred time (approximately 3 hours within 14:00-19:00) when you make your reservation. Please note that the time may change depending on sea conditions and weather. - Course Content and Details
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Price 1 pair (up to 5 persons): 65,000 yen→directional marker or indicator35,000suffix for names of swords, armour, musical instruments, etc.
5 or more 1 additional person: Above +.5,000suffix for names of swords, armour, musical instruments, etc.
In addition, 500 yen OFF for winter (November~March) only!
*Please note that the fee may vary depending on the places you wish to visit, the creatures you wish to see, and other requests.
*The more people, the better.Quite a bargain!The charter can be made toFee includes Boarding fee, insurance, equipment, photo data, snorkel equipment, wetsuit (during winter)personal effects Drinks, towel, hat, flip-flops, swimsuit or clothes that can get wet (wear beforehand), sunscreen, anti-sickness medicine, etc. Meeting and Dismissal Location Pick-up at Kohama Port or a hotel on Kohama Island
We will inform you of the pick-up time by the evening of the day before or the morning of the day.Location Ocean around Kohama Island
*We will take you to a safe and enjoyable point depending on the weather and sea conditions of the day.Holding period year round Opening Hours PM 14:00-19:00 (sunset time)
*About 3 hours is possible from within the above time frame.Age Range 0-65 years old
Please consult with us if you are 65 years of age or older.Number of participants ~15 persons cofferdam By 5:00 p.m. the day before *Before making a reservation, be sure toprecautionsfor more information.
*Reservations are required for the mermaid experience. Please let us know at the time of reservation if you wish to participate.
* Nature guides will call you the day before the tour for the exact meeting time and place.
Cancellation Fee
We do not charge cancellation fees for cancellations due to flight cancellations, typhoons, or other weather-related cancellations.
However, the following cancellation fees will apply for cancellations made by the customer.3 days before: of the tour fee50%
2 days before: of the tour fee80%
Day before and day of tour: Tour fee100%We are preparing one boat, so please be patient.
- Frequently asked questions about this plan
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Q. Can I use my credit card on site?No, it is not possible. If you wish to pay on site, please bring cash.
- word of mouth
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Customers of this age group have participated in the event!
Percentage of review submissions]54 total420代Month of posting: 2025/08We spent the morning relaxing at the hotel and left for the ocean in the afternoon on a private charter. It was a luxurious time for the group to enjoy themselves in a relaxed atmosphere. We were very satisfied with our choice of snorkeling and fishing.
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540代Month of posting: 2025/07I appreciated the fact that we left in the afternoon. We were able to relax in the morning and charter cruise in the afternoon. It was very private and we were able to take our time enjoying the conversation and the scenery.
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540代Submitted Month: 2025/05I used this cruise for a consolation trip with my colleagues. We were able to relax in the morning, and cruising in the afternoon was great. We were healed by the luxurious time looking at the sea with music playing in our own space.
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550代Submitted Month: 2025/04We were a family of 4 including a 4 year old. We snorkeled for 3 hours starting at 2:00 p.m. The big mat we ordered additionally was so good that even the child who was afraid of water was able to exclude the water from the top of it. After a while, he got used to it and jumped into the water on his own, so if you have small children, it is better to ask for it. The staff was very kind and always concerned about the children, so we were able to enjoy the sea with peace of mind. We borrowed a mermaid costume and took a commemorative photo at the Island of Illusions. There happened to be no one else on the island, so we were able to enjoy the island at a leisurely pace. The temperature was low, but we were provided with small wetsuits and we all had a great time.
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550代Posted in month: 2024/09The activities on the Phantom Island were great! The atmosphere was relaxing and we enjoyed our family time together. The guides were very friendly and made us feel at ease.
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520代Posted in month: 2024/09It was fun! The equipment was all there except for a towel, so we didn't have to carry any heavy bags. We went to two snorkel points and both had beautiful fish and corals! I will use them again when I come back to Kohama Island!
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440代Month of posting: 2024/08We were able to enjoy snorkeling in a relaxed atmosphere with just our family of five. The staff and captain were very kind and we had very good memories. Thank you very much.
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540代Month of posting: 2024/08Used by a family of five. We had a great time with the friendly captain and guide.
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540代Month of posting: 2024/08I was able to snorkel slowly with my family. The ocean is crazy beautiful with lots of coral and fish. The staff was very kind and helpful. Thank you very much.
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540代Month of posting: 2024/08We were a family of five, We enjoyed the friendly brother and captain.
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540代Month of posting: 2024/08My family of three joined the tour. It was wonderful to snorkel slowly in a spacious boat with a roof. It was very special to have the whole wide ocean to ourselves and a small group of people. I would like to participate again.
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540代Month of posting: 2024/08We chartered it as the main activity of our trip to Kohama Island with two families. We were very satisfied with the results. They were kind enough to teach my child, who was new to snorkeling, and we all had a wonderful experience, We were able to take a lot of great pictures at the island of illusion. We had a lot of great photos of the island and the coral reefs.
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540代Month of posting: 2024/07We chartered the boat because our child was small and we were worried about sharing the ride. After landing at Phantom Island, we practiced snorkeling before going to the spot. The staff was very friendly and helpful. My child was very happy. I am glad we chartered the boat because we were able to leave early because my child got tired on the way to the island.
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430代Month of posting: 2024/07We had a great time. I was happy to see that there were plenty of facilities for children and I was able to let them play in peace.
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530代Month of posting: 2024/07This was my daughter's first time going snorkeling. One adult was with us so the parents could enjoy snorkeling! We saw a lot of cute fish and my daughter enjoyed it. I would like to join this tour again!
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520代Submitted Month: 2024/05It was a perfect tour to create memories for the whole family. Especially the time we spent on the Phantom Island was wonderful. I would like to come back again.
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540代Submitted Month: 2024/05It was a very enjoyable experience. I was especially impressed with the time spent playing in the ocean and on the phantom island. The kids were very satisfied with the tour and it made us want to visit again.
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530代Submitted Month: 2024/04I had no idea snorkeling could be so much fun! Thanks to the friendly guide, I was able to enjoy the experience with ease and would definitely participate again.
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510代Submitted Month: 2024/04It was fun to see a lot of fish. There were a lot of people on the Island of Illusions. It was nice to take pictures dressed as a mermaid.
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440代Submitted Month: 2024/04We were able to pick up shells on a mysterious island and see beautiful coral reefs and many beautiful fish while snorkeling. Even my child, who was a little afraid of the waves, was able to enjoy the experience by borrowing a boat-shaped float and a pair of box glasses. It was a pity that we didn't see any sea turtles, but we will look forward to another time. If I have a strong opinion, it is that the plan says that photos are free, but they didn't take much.
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450代Submitted Month: 2024/02I was overwhelmed by the beauty of the ocean. The sunset time was especially special and memorable. I am very satisfied that my whole family had a wonderful time together.
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430代Month of posting: 2024/01I was so happy to have an experience that I normally don't get to do. I was very satisfied with this tour because I was able to do SUP and fulfill my requests!
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540代Month of posting: 2024/01Read more
530代Month of posting: 2024/01We decided to go in the afternoon because we wanted to coincide with the sunset time, and it was a great decision! The view is breathtaking and I would recommend it to everyone!
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530代Month of posting: 2024/01The island was so beautiful! I'm so glad I asked for a private charter ✨.
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530代Month of posting: 2023/12The mermaid photo on the phantom island was like a dream. The snorkeling was a great experience, swimming with colorful fishes and sea turtles. The staff was kind enough to guide us at our pace ('omega').
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520代Month of posting: 2023/12We took a boat around the island and were blown away by the picturesque scenery at the Phantom Island. The snorkeling was great, with sea turtles and beautiful coral reefs, and the sunset was fantastic.
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520代Month of posting: 2023/12The view of the phantom island was just spectacular and the sunset was impressive. The gift of photo data will be treasured as a memento of our trip.
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540代Month of posting: 2023/11The shallow water and calm waves allowed us to see many tropical fish. The staff got along well with the children and made them feel safe and comfortable. The sunset was also beautiful.
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520代Month of posting: 2023/11We chartered the boat and enjoyed the luxury. We were guided to a point where children could play safely and had a great time from start to finish.
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520代Month of posting: 2023/10The ocean was crystal clear and we had a great experience with sea turtles. The staff was friendly and helpful, and they worked with our schedule to accommodate our wishes and ensure that we had a safe and enjoyable experience!
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540代Month of posting: 2023/10Read more
550代Month of posting: 2023/10The island of illusion was as beautiful as if in a dream, and it was a memorable experience. The kids had a blast, and it was a day that strengthened our family bond. The snorkeling was well prepared and the environment was great for the children to enjoy. It was an extraordinary experience and refreshing.
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530代Month of posting: 2023/10It was my first time snorkeling, but the guide was very supportive and made me feel safe and comfortable. It was a time that brought smiles to the faces of the whole family.
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540代Month of posting: 2023/10The afternoon boat charter course on Kohama Island was excellent. The spacious boat took us to the best places suggested by the guide, including a phantom island, beautiful coral reefs, and sea turtle points. We enjoyed it at our own pace and the kids loved it. The clarity of the ocean was so beautiful that pictures cannot do it justice. The free gift of photo data is also a great service. We were able to create wonderful memories with the whole family!
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540代Month of posting: 2023/08The time passed so quickly. It was a great opportunity to appreciate the beauty of nature and the children really enjoyed it. I would definitely come back again.
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430代Month of posting: 2023/08This was my first time chartering a boat and everything went smoothly and enjoyably. The staff was warm and welcoming and made us feel comfortable.
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550代Month of posting: 2023/07Landing on a fantastic island. I asked for a mermaid photo! I joined the tour with my daughter and she wanted to be a part of it. I am ashamed to say that it was a good memory for me too. Thank you for the precious experience and memories.
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540代Month of posting: 2023/07The sunset experience on the Island of Illusions was even more impressive because it is not something you get to do very often. It was breathtaking. It was a wonderful and memorable experience to spend a special time in a special place.
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530代Month of posting: 2023/06This was my first trip to Kohama Island! I booked a charter because I really wanted to see sea turtles. We were lucky enough to see sea turtles and the whole family was very excited! I am glad we joined the tour. Thank you for your willingness to listen to our requests!
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530代Submitted Month: 2023/05We decided on this plan because we were traveling as a family of three and had small children. We had a relaxing time on the island, snorkeling and playing in the sand, and the kids really enjoyed it. They also took our pictures and it was a great memory for us. I would definitely use this tour again.
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520代Submitted Month: 2023/0510 friends joined the tour. We booked a charter because of the large number of people, but it was a good decision! We requested snorkeling for everyone to enjoy. It was good that each seemed to enjoy. The ocean of Kohama Island was very clear and beautiful. The sunset was also impressive.
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520代Month of posting: 2023/01We used it for a company trip. We enjoyed being close to the senior members of the group. The tour guide was funny and very attentive! I would like to use this tour again.
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330代Month of posting: 2022/08They contacted us in advance and asked what we wanted to do! I told them that I did not know what I wanted to do or what I could do, and they gave me examples of what they could do. We chose to snorkel and go ashore to the Phantom Island, where we had our sup and mermaid photos taken. It was a great experience, very enjoyable, and the scenery was fantastic, but if I had any comments, they would be However, I would like to make a few comments. The two guides were taciturn and indifferent, and I had the impression that they did the job of taking us there. I have participated in other tours, and the other guides were very pleasant and included local trivia...I was a little disappointed in that. I am looking forward to receiving the photo data, but I haven't received it yet. I am looking forward to receiving the photo data, but I have not received it yet. I wish you could have taken more photos of various scenes. I am looking forward to seeing your photos. The charter was very special and very nice.
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520代Month of posting: 2022/07It was a wonderful experience for my family to be able to enjoy the waters of Kohama Island in private. The photo data service is especially useful to look back on later.
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550代Month of posting: 2022/07The flexibility of the schedule made for a memorable day. The time we spent on Phantom Island was especially good. There were plenty of activities for both children and adults to enjoy, and I hope to participate again next time!
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530代Month of posting: 2022/07I had a great time. I was especially amazed at the clarity of the ocean! I was very satisfied with the fantastic snorkeling experience.
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540代Month of posting: 2022/06The best part is that the whole family enjoyed it. The guides were wonderful and attentive, and the facilities for children were excellent.
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450代Month of posting: 2022/05Overall, it was a great experience, but I wish the snorkeling time had been longer. Still, the kids really enjoyed it.
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520代Month of posting: 2022/05The sea was more beautiful than I expected. I was especially impressed by the view of the phantom island. It was nice to have a safe environment for children to play.
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530代Month of posting: 2022/05Read more
540代Month of posting: 2022/04I had a lot of things to do in Corona and other places, so I decided to charter and it was the right decision. It was a little expensive, but the ocean was very beautiful.
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540代Month of posting: 2022/03Read more
540代Month of posting: 2022/03It was like a dream. It was truly fulfilling to land on the fantastic island and see the children swimming with joy. The guide's careful explanation was also impressive.
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4.8 (54 reviews)
Amount of money |
5 persons/person:7,000suffix for names of swords, armour, musical instruments, etc. For 4 persons/per person: 8,750 yen 5 Stars or more / 1 additional person +: 5,000 yen |
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time zone |
14:00-19:00 *About 3-4 hours from the above hours |
the time required | Approx. 3-4 hours |
Holding period | year round |
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