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Yonaguni Island is one of the most famous destinations in the world for scalloped hammerhead shark diving. During the winter season, massive schools of hammerhead sharks gather near the island, offering an unforgettable and adrenaline-filled diving experience for highly experienced divers.
This special dive trip is designed for divers who are comfortable with strong currents, deep diving, and drift diving, and who are looking for one of the most thrilling underwater encounters on the planet.
What Can You See While Diving in Yonaguni Island?
The main attraction of Yonaguni Island is the incredible seasonal gathering of scalloped hammerhead sharks.
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Massive schools of scalloped hammerhead sharks (often 100–200 individuals)
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Barracuda (occasionally)
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Manta rays (rare)
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Whale sharks (very rare)
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Tiger sharks & bull sharks (very rare)
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Marlin (rare)
👉 Marine life sightings depend on conditions and season and cannot be guaranteed.
Diver Requirements for Yonaguni Islan
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Advanced Open Water certification or higher
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Minimum 150 logged dives
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Excellent buoyancy control
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Comfortable with deep diving and strong currents
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Experience with drift diving strongly recommended
Yonaguni Island Diving – Key Information
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Dive access: Speedboat
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Dive type: Drift diving
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Marine conditions: Hammerhead shark schools & wide-angle photography
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Current: Often strong
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Depth: 20 – 40 meters (66 – 131 feet)
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Water temperature:
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Winter: 21–23°C (70–73°F)
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Summer: 25–29°C (77–84°F)
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Trip Schedule Overview
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Meeting point at Naha Airport – 6:15 AM
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Arrival in Yonaguni around 8:30 AM
Diving schedule:
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Day 1: 3 dives
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Day 2: 3 dives
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Day 3: 2 dives
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Return to Naha Airport around 13:00 PM on Day 4
Price & What’s Included
8 Boat Dives – From ¥176,000 per person
Included:
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Roundtrip flight Naha ⇄ Yonaguni
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Hotel accommodation with breakfast, lunch & dinner
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Tanks & weights
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Professional dive guide
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Underwater diving photos
Equipment Rental (optional):
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Full equipment set – ¥20,000 per person
(BCD, regulator, wetsuit, fins/boots, mask/snorkel & dive computer)
Why Dive Yonaguni Island?
Yonaguni Island is one of the very few places in the world where divers can encounter huge schools of scalloped hammerhead sharks in open water. Witnessing hundreds of hammerheads swimming together is an experience that few divers ever forget.
In addition to the sharks, Yonaguni is also famous for its mysterious underwater ruins, discovered in 1986. Whether natural or man-made, these formations add a unique and fascinating element to the dives.
Other Special Dive Trips
Cancellation Policy:
After booking flights and accommodation, all cancellations are subject to a 100% cancellation fee.
Medical Questionnaire
All participants must complete a medical questionnaire prior to joining the trip. If you have any health concerns, please review the medical form carefully.
Travel & Dive Insurance
Aloha Divers Okinawa strongly recommends that all guests purchase their own diving and travel insurance. The company is not responsible for injuries or losses sustained during tours.
- DAN – Divers Alert Network https://www.diversalertnetwork.org
Okinawa Code of Conduct
Aloha Divers Okinawa follows the Green Fins Code of Conduct, promoting environmentally responsible diving practices to protect Okinawa’s marine environment.
