| Special water activity | Trial dive (beginner) |
| Activity season | Summer |
| Minimum participant requirement | 2 travelers |
Anyone between the ages of 10 and 59 with no physical or mental disabilities can participate.
Please note that children and others with a shoulder width of less than 25 cm will not be able to participate in the sea walk.
Due to equipment and wetsuit issues, we also have weight restrictions. [Participation conditions: up to 100kg for men / up to 80kg for women]
You will not be able to fly home on the day of the experience.
Those with high blood pressure, epilepsy, pneumothorax, diabetes, or heart disease cannot participate.
Those who are visiting the hospital or taking medication are also unable to participate.
People with physical or mental disabilities cannot participate.
We also have prescription masks available, so please let us know if you require one.
Please arrive 15 minutes before the tour.
On the day, please wear a swimsuit underneath your clothes.
Please bring a change of clothes, beach sandals, a towel, and a T-shirt that you don't mind getting wet.
If you would like to use the photo data service, please bring an SD card.
The tour will be held even in the rain, however, if the sea conditions deteriorate, the diving point may be changed to the beach.
If the sea conditions deteriorate due to heavy rain or typhoons, the tour will be canceled. In that case, please note that we will not be able to compensate for travel expenses to the site.
The Blue Cave trial diving and sea walk activities are highly dependent on sea and weather conditions. Cancellations may occur due to strong winds, high waves, or poor visibility, which could compromise participant safety. Decisions are typically made by local operators on the day of the activity, and participants will be notified. In case of cancellation, alternative options or refunds are usually offered.
Safety is a top priority for both the Blue Cave trial diving and sea walk. Participants are always accompanied by experienced, professional instructors. Detailed safety briefings are conducted before each activity, covering equipment use, communication signals, and emergency procedures. High-quality, regularly inspected diving and sea walk equipment is provided to ensure a safe and enjoyable experience.
Yes, certain medical conditions may prevent participation in trial diving or sea walk activities for safety reasons. These typically include severe respiratory or heart conditions, epilepsy, diabetes, recent surgery, or pregnancy. It is crucial to inform the activity staff about any existing medical conditions or medications prior to participation. If you have concerns, it's recommended to consult a doctor before booking.
During the sea walk in Onna Village, participants wear a special helmet that allows them to breathe normally underwater without diving experience. You can walk freely on the seabed while maintaining natural breathing. An instructor guides you throughout the entire activity, ensuring you stay in a safe and controlled area. Briefings cover how to move underwater and communicate effectively with the staff.
The Blue Cave trial diving offers an immersive experience into a fantastic blue underwater world. The cave's unique structure allows sunlight to refract through the water, creating a mesmerizing blue glow. Participants can observe diverse marine life in its natural habitat, guided by an instructor. It's a chance to explore a dream-like environment without needing prior diving certification.
The free underwater photo data service is a special offering where staff will take photos during your Blue Cave trial diving and Onna Village sea walk activities. To receive the photo data after your experience, you are required to bring your own SD card. The staff will then transfer the captured images directly onto your SD card at no additional cost.
The Onna Village activity site offers comprehensive facilities designed for participant comfort and convenience. These include clean showers to rinse off after your marine activities, spacious changing rooms, secure lockers with keys for your valuables, ample parking space, and well-maintained toilets. The facilities are also air-conditioned, providing a comfortable environment before and after your Blue Cave trial diving and sea walk.
To reach the activity site in Onna Village without a private car, you can primarily use Okinawa's public bus system. Look for bus routes that serve Onna Village, such as those traveling along Route 58. Alternatively, taxis are available from major towns like Naha or Nago, though this option may be more costly. Checking local bus schedules in advance is recommended for planning your journey effectively.