
Hammerhead Shark Diving
All diving in Yonaguni is drift diving in moderate to strong currents and need maintaining neutral buoyancy at depths of around 15-20 meters, with the seabed at 60 meters. To ensure safety, divers should meet the following minimum requirements before joining the dives:
- Advanced Open Water certification or higher
- Over 70 logged dives
- Experience in drift diving
- Good buoyancy control
- Personal SMB (Safety Balloon) and the ability to deploy it independently
- Last dive within the past 6 months
Essential Equipment
Diving in Yonaguni takes place during winter (December - April) when temperatures range from 20-25°C on land and 21-23°C in the water. Additionally, strong northern winds are common during this season. To stay comfortable and safe, divers should have the following gear:
- 5mm wetsuit (can rent from local dive center, approx. 1,100 JPY/day)
- Additional thermal protection (e.g., hood, gloves, socks)
- Motion sickness medication
- Dive computer
- SMB or Safety Balloon
Prepare yourself, gain enough experience, and you’ll have an unforgettable diving adventure at YONAGUNI ISLAND! 🌊🦈