

Discover 7 Water activities in Onna on Trip.com, updated February 12, 2026, with experiences lasting from 1 to 6 hours. Find the perfect adventure for your day!
From THB 1,054.19 per person, with an average total of THB 1,739.31. Choose the option that suits your plan.
With 262 verified reviews, Water activities Onna boast an average rating of 4.9.
This week's most popular Water activities: "Japan Okinawa Blue Cave diving and snorkeling 2-hour experience [Blue Cave snorkeling/diving/English and Japanese instructors/shore entry, no seasickness]", with 260 reviews and a 4.8 rating.
Now on Trip.com: "Japan Okinawa Blue Cave diving and snorkeling 2-hour experience [Blue Cave snorkeling/diving/English and Japanese instructors/shore entry, no seasickness]", a 2-hour adventure in Onna!
The next available day tour departs on February 13, 2026. Book now to secure your spot!
Onna Water activities usually take about 2 hours — perfect for a relaxed, immersive experience!
85% of Onna Water activities now offer English-speaking guides
February is the perfect time to visit Onna! Choose from Water activities available day tours, including seasonal favorites like Japan Okinawa Blue Cave diving and snorkeling 2-hour experience [Blue Cave snorkeling/diving/English and Japanese instructors/shore entry, no seasickness].
Your trip, worry-free! All day tours are run by licensed suppliers with verified reviews, and many include free cancellation before departure.
![Japan Okinawa Blue Cave diving and snorkeling 2-hour experience [Blue Cave snorkeling/diving/English and Japanese instructors/shore entry, no seasickness]](https://ak-d.tripcdn.com/images/0353712000lsqa42y9592_C_568_320.jpg?_fr=wc)
![2-Hour diving Experience at the Blue Caves in Onna Village, Japan [Snorkeling in Okinawa, Japan | Chinese/Mandarin and English Instructors + GoPro Filming + Free Underwater Feeding]](https://ak-d.tripcdn.com/images//0581j12000n3pti7n9396_C_568_320.jpg?_fr=wc)
![Japan Ishigaki Island + Blue Cave Experience diving and Snorkeling 6 hours [[ADVENTURE PiPi Ishigaki Island] Mangrove SUP/Canoe & Blue Cave Snorkeling]](https://ak-d.tripcdn.com/images/0353p12000im3aklf931D_C_568_320.jpg?_fr=wc)
![Okinawa Blue Cave diving and snorkeling 0.5h activity [Snorkeling/Private boat/Naha or Chatan pickup]](https://ak-d.tripcdn.com/images/0355912000m4t4r854805_C_568_320.jpg?_fr=wc)

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