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Trip.com offers 15 Water activities in Onna

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Discover 15 Water activities in Onna on Trip.com, updated April 10, 2026, with experiences lasting from 1 to 6 hours. Find the perfect adventure for your day!

From KRW 34,120.00 per person, with an average total of KRW 72,713.13. Choose the option that suits your plan.

With 272 verified reviews, Water activities Onna boast an average rating of 4.9.

This week's most popular Water activities: "2-hour diving and snorkeling experience at the blue cave in Okinawa city, Japan [blue cave snorkeling/diving/English and Japanese instructors/shore entry to avoid seasickness]", with 269 reviews and a 4.8 rating.

Now on Trip.com: "2-hour diving and snorkeling experience at the blue cave in Okinawa city, Japan [blue cave snorkeling/diving/English and Japanese instructors/shore entry to avoid seasickness]", a 2-hour adventure in Onna!

The next available day tour departs on April 11, 2026. Book now to secure your spot!

Onna Water activities usually take about 2 hours — perfect for a relaxed, immersive experience!

73% of Onna Water activities now offer English-speaking guides

April is perfect for visiting Onna! Choose from Water activities available day tours, including seasonal hits like 2-hour diving and snorkeling experience at the blue cave in Okinawa city, Japan [blue cave snorkeling/diving/English and Japanese instructors/shore entry to avoid seasickness].

Your trip, worry-free! All day tours are run by licensed suppliers with verified reviews, and many include free cancellation before departure.

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15 results for Onna Water activities

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Recommended

2-hour diving and snorkeling experience at the blue cave in Okinawa city, Japan [blue cave snorkeling/diving/English and Japanese instructors/shore entry to avoid seasickness]
Duration: 2 hrs
English
4.8/5
Outstanding· 269 reviews· 1.2k booked
FromKRW 45,044
6-Hour Diving and Snorkeling Experience at Ishigaki and Blue Cave in Japan [ADVENTURE PiPi Ishigaki: Mangrove SUP/Canoe & Blue Cave Snorkeling]
Duration: 6 hrs
English
5.0/5
Perfect· 3 reviews· 53 booked
FromKRW 125,166
Scuba diving experience at the Blue Cave in Onna, Okinawa (2 hr) - "Okinawa Blue Cave", no swimming skills required, beginner-friendly, boat access to dive site
Duration: 2 hrs
English
FromKRW 163,981
Seven Oceans Club
English
FromKRW 62,120
Okinawa Blue Cave Specialty Shop Blue Ocean
Duration: 40 mins
Japanese
FromKRW 52,848
Scuba diving experience at the Blue Cave in Onna, Okinawa (2 hr) - "Okinawa Blue Cave", no swimming skills required, beginner-friendly, shore entry to dive site
Duration: 2 hrs
English
FromKRW 130,014
Snorkeling experience at the blue cave in onna, okinawa (2 hr) - "okinawa blue cave", no swimming skills required, beginner-friendly, boat access to dive site
Duration: 2 hrs
English
FromKRW 59,736
Snorkeling experience at the Blue Cave in Onna, Okinawa (2 hr) - "Okinawa Blue Cave", no swimming skills required, beginner-friendly, shore entry to dive site
Duration: 2 hrs
English
FromKRW 42,167
Okinawa Skywalker Sea Paragliding Surfing Watersports Experience
Duration: 60–180 mins
English
FromKRW 60,266
Okinawa UmiashibiKayaking2 Hours [MangrovekayakAge 2+]
Duration: 2 hrs
English
FromKRW 50,994
Okinawa UmiashibiKayaking2.5 hours [Sunset Kayaking in Okinawa]
Duration: 2.5 hrs
English
FromKRW 50,994
Okinawa Fishing Experience Beginner Friendly 2 Hours No Equipment Needed
Duration: 2 hrs
English
FromKRW 50,994
Okinawa Blue Lagoon
Japanese
FromKRW 83,444
Okinawa M.a.r.i.n.e Factory
Duration: 240 mins
Japanese
FromKRW 78,809
Okinawa Marine Shop Owl
Japanese
FromKRW 34,120

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Reviews/Trip Moments

★

Reviews: 2-hour diving and snorkeling experience at the blue cave in Okinawa city, Japan [blue cave snorkeling/diving/English and Japanese instructors/shore entry to avoid seasickness]

Guest User2026-03-15

I used snorkeling during a trip with friends. After the guide gave us a lesson on how to snorkel, we actually went underwater and were surprised to see so many fish even in the shallows.

★

Reviews: 6-Hour Diving and Snorkeling Experience at Ishigaki and Blue Cave in Japan [ADVENTURE PiPi Ishigaki: Mangrove SUP/Canoe & Blue Cave Snorkeling]

Guest User2026-04-08

The activity was fun and I got to meet new people. The staff were responsible, capable, and even helped with photography. Also, the transportation from the hotel to the activity venue and back was very convenient.