

Discover 8 Water Activities in Onna on Trip.com, updated January 3, 2026, with experiences lasting from 1 to 2 hours. Find the perfect adventure for your day!
With 253 verified reviews, Water Activities Onna boast an average rating of 5.0.
This week's most popular Water Activities: "Okinawa · Blue Cave: 2-Hour Magical Diving/Snorkeling Adventure", with 248 reviews and a 4.9 rating.
The next available day tour departs on January 4, 2026. Book now to secure your spot!
Onna Water Activities usually take about 1 hours — perfect for a relaxed, immersive experience!
January is perfect for visiting Onna! Choose from Water Activities available day tours, including seasonal hits like Okinawa · Blue Cave: 2-Hour Magical Diving/Snorkeling Adventure.

![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)



![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)


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