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Aguni Island is one of Okinawa’s most exciting destinations for big fish encounters, famous for the spectacular Jackfish (Bigeye Trevally) Tornado. During the peak season, massive schools of jackfish gather and form a powerful swirling tornado, creating one of the most impressive underwater scenes in Japan.This special dive trip is ideal for experienced certified divers who are comfortable with drift diving and changing current conditions.
What Can You See While Diving in Aguni Island?
The highlight of Aguni Island diving is the seasonal jackfish aggregation.
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Bigeye trevally (jackfish) tornado
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Large schools of pelagic fish
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Impressive wide-angle photography opportunities
👉 Marine life sightings depend on conditions and season and cannot be guaranteed.
Diver Requirements for Aguni Island
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Advanced Open Water certification or higher
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Minimum 50 logged dives
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Excellent buoyancy control
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Comfortable with drift diving and currents
Aguni 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: Big fish & photography
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Current: Sometimes strong
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Depth: 5 – 25 meters (16 – 82 feet)
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Water temperature:
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Spring: 21–23°C (70–73°F)
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Summer: 25–29°C (77–84°F)
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Trip Schedule Overview
Meeting point at Tomari Ferry Port (Naha) – 8:00 AM
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Arrival at Aguni Island around 12:00 PM
Diving schedule:
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Day 1: 2 dives
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Day 2: 2 dives
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Return to Tomari Ferry Port (Naha) around 5:00 PM on Day 2
Price & What’s Included
4 Boat Dives – From ¥75,000 per person
Included:
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Roundtrip ferry Tomari Port ⇄ Aguni Island Port
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Hotel accommodation with breakfast
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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 – ¥8,000 per person
(BCD, regulator, wetsuit, fins/boots, mask/snorkel & dive computer)
Why Dive Aguni Island?
Diving in Aguni Island is a true adrenaline-filled experience. Strong currents create ideal conditions for drift diving, and when the jackfish tornado appears, the sheer size and movement of the school is breathtaking.
Watching hundreds of jackfish moving together in a powerful vortex is a rare and unforgettable moment for any diver.
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.
