Top Experiences and Travel Essentials in Onna

Discover 57 Water activities in Onna on Trip.com, updated October 16, 2026, with experiences lasting from 1 to 4 hours. Find the perfect adventure for your day!

From $25.08 per person, with an average total of $39.26. Choose the option that suits your plan.

With 308 verified reviews, Water activities Onna boast an average rating of 4.4.

This week's most popular Water activities: "Okinawa Japan Blue Cave diving/snorkeling experience: English & Japanese-speaking coach | shore entry without seasickness", with 282 reviews and a 4.8 rating.

Now on Trip.com: "Half-day tour to Okinawa blue cave with self-assembly (multiple departure time slots) - optional scuba diving/snorkeling from Onna", a 1-hour adventure in Onna!

The next available day tour departs on October 17, 2026. Book now to secure your spot!

Onna Water activities usually take about 1 hours — perfect for a relaxed, immersive experience!

90% of Onna Water activities now offer English-speaking guides

October is the perfect time to visit Onna! Choose from 57 available day tours, including seasonal favorites like Okinawa Japan Blue Cave diving/snorkeling experience: English & Japanese-speaking coach | shore entry without seasickness.

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

Search attractions or local attractions & tours
Book now for tomorrow

57 results for Onna Water activities

1
2
3
Trip.comOnna
Water activities

Explore top experiences

See what other travelers love, based on ratings and bookings

RecommendedAttractions (4417)Boat experiences (27)Cultural experiences (10)Food & drink (8)Spa & wellness (2)Outdoor experiences (40)Travel photography (7)Water activities (57)City sightseeing (12)Day tours (78)Nature & wildlife (34)SIM card (33)Wi-Fi (2)Airport express (1)Shuttle bus (4)Boat tickets (2)

Frequently asked questions about Onna Water activities

How many Water activities are available in Onna on Trip.com?

What are the best Water activities in Onna?

What are the top-rated Water activities in Onna?

How can I contact Trip.com customer support?

Can I change or cancel my booking?

How can I get discounted prices?

Reviews/Trip Moments

★
★
★
★
★
Reviews: Okinawa Japan Blue Cave diving/snorkeling experience: English & Japanese-speaking coach | shore entry without seasickness
Anonymous user2026-08-08
We went snowdiving, and the instructor kindly explained everything. We also added GoPro recording on the spot (highly recommended!!). They show Korean YouTube videos for basic explanations. I was worried because the instructor only spoke English and Japanese, but surprisingly, there were no communication issues. Since it was our first time, they took extra care of us, so we were able to enjoy a safe and fun dive!
★
★
★
★
★
Reviews: Half-day tour to Okinawa blue cave with self-assembly (multiple departure time slots) - optional scuba diving/snorkeling from Onna
Andy Wana2026-10-09
It was unfortunate that we cannot visit Blue Caves again for our 2nd Okinawan trip but they sure made up for it with an equally beautiful deep sea diving session around the area.
★
★
★
★
★
Reviews: 2 hrs scuba diving + snorkeling at the Blue Cave in Onna, Okinawa | Non-swimmers welcome
_TXKR******49rni2026-07-17
There was a field to enter a Line or WhatsApp ID when booking, but I didn't receive any separate contact. It felt like it was just for emergency contact. When you arrive at the meeting point, the counter staff immediately confirms your reservation and prepares for snorkeling. The staff were all cheerful and great. There were already plenty of fish, but they scattered some food once, and the fish practically enveloped me! However, since there are only outdoor showers and changing rooms, it wasn't possible to take off all clothes and shower immediately after swimming. You can only rinse with water, dry yourself off, and change clothes.
★
★
★
★
★
Reviews: Okinawa Blue Cave Diving Half-Day Tour: English/Japanese Instructors/Equipment Included/Shore Entry No Seasickness
Guest user2026-09-26
A fantastic experience! The lady who greeted us was very friendly and helpful. The snorkeling instructor was also very patient. Since several of us were first-timers, he was very gentle and guided us through the snorkeling session, taking into account our fear.
★
★
★
★
★
Reviews: Okinawa blue cave diving half-day tour · optional snorkeling/diving/shore entry no seasickness
RobbinZhan2026-08-16
A very good experience. The shop owners were very helpful and friendly, answering all my questions. The accompanying instructor was also very humorous, fun, and responsible. The scenery was especially beautiful and photogenic.

Trip.com picks

Popular cities in Japan

Top Tours in Onna

Best Experiences in Onna

Popular Destinations

Things to do in OsakaThings to do in TokyoThings to do in Japan
Excursión personalizada en Okinawa, Japón | Cabo Manzamo + Isla Kouri + Acuario Churaumi + Pueblo americano de Mihama※Okinawa Blue Cave Diving Half-Day Tour: English/Japanese Instructors/Equipment Included/Shore Entry No SeasicknessJapan Okinawa custom trip | Naminoue Shrine + Cape Manzamo + Southeast Botanical Gardens + Busena Marine Park · Experiencia de snorkel y buceo en la Gruta Azul de Okinawa, JapónExcursión de medio día de buceo en la Gruta Azul de Okinawa, Japón · Opción de esnórquel/buceo profundo/entrada desde la orilla sin mareos1-day tour in northern Okinawa with Cape Manzamo, aquarium and Kouri island Excursión de un día al norte de Okinawa: Isla Kouri, Cabo Manzamo y AcuarioOkinawa: Blue Cave Private Snorkeling Hotel Pickup AvailableOkinawa central and northern bus one-day tour: Churaumi Aquarium + Kouri Island + Cape Manzamo + American Village Okinawa Highlights Northern Bus Day Tour | Chinese- and English-SpeakingJapan Okinawa north 1-day tour | Cape Manzamo + Kouri Island + Pineapple Park + Busena Marine ParkAutobús Rad Churaumi | Excursión de un día a Okinawa con entrada al Acuario Churaumi incluidaBlue Cave Guided Dive No License Needed Boat Snorkeling in Onna | 8 Free PerksExcursión de un día al norte de Okinawa: Acuario Churaumi, Cabo Manzamo, Isla Kouri y Pueblo americano de MihamaOnna TransportationOnna Flight ExperienceOnna ActivitiesOnna Day ToursOnna SIM CardWater Activities in OnnaOnna SurfingOnna Spa & MassageThings to do in ShanghaiThings to do in BeijingThings to do in Hong KongThings to do in OsakaThings to do in ZhangjiajieThings to do in SingaporeThings to do in ChongqingThings to do in TokyoThings to do in GuangzhouThings to do in Xi'anThings to do in ChinaThings to do in JapanThings to do in ThailandThings to do in VietnamThings to do in South Korea