Okinawa Snorkeling/Diving Experience: Blue Cave, Whale Shark, Kerama Islands (Chinese/English Instructor + Equipment Included + Photography)

Okinawa’s big draw here is the choice: a fish-filled Blue Cave, a close look at whale sharks near Yomitan, or the clear water of the Kerama Islands. The whale shark outing is especially unusual, with a short boat ride to the viewing area and the chance to watch these enormous fish from outside a net.

I like the practical setup: an instructor leads the activity, and equipment and photography are included. I also like having three very different options at different prices, so you can choose a beginner-friendly cave outing or spend more for a whale shark encounter.

The main caution is that the options have different ports, start times, age limits and minimum group requirements. The published details also contain some scheduling and location inconsistencies, so confirm your exact activity and meeting point with the operator before you set out.

What to know before you book

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• Blue Cave starts at Maeganeku Fishing Port: Boats usually leave at 9 AM, 11 AM, 1 PM and 3 PM. Arrive 40 minutes early.
• Whale sharks mean an early or midday start: Departures from Toya Fishing Port are usually at 8 AM and 1 PM. You must arrive 20 minutes before departure.
• Kerama requires at least two people: Boats are listed for 7:30 AM and 12:30 PM, with an early arrival at the port.
• Equipment and photos are included: Bring swimwear or a rash guard, a towel and slippers. Computers and flashlights are excluded.
• Age limits depend on the activity: Snorkeling is listed for ages 6 to 65; introductory scuba is for ages 10 to 60. Minors need a paying adult.
• Plan around the sea, not just the calendar: Weather can change the location or schedule. No alcohol on the activity day, and flying is prohibited for at least 18 hours after scuba.

👉 See our pick of the 5 Best Tours In Okinawa

Three Okinawa outings, three different reasons to go

These are separate choices, not a single route that visits all three locations. The Blue Cave is the entry-level pick, particularly for a first underwater outing. The whale shark option is the pricier, more focused spectacle. Kerama is the choice for clear water and a national park setting, but it requires at least two participants.

That distinction matters when you compare prices. The Blue Cave package starts at US$70.95, Kerama at US$126.15, and the whale shark outing at US$140.30. Each includes equipment and photography, but the different animal encounters, departure points and timing account for much of the difference. Transport, meals and accommodation are not included, so you’ll need to arrange your own way to the port.

The listed duration is two hours, but the separate departure schedules and return details do not line up neatly with that figure. Treat the duration as something to verify for your specific package, rather than planning a tight connection around it. The sea has its own timetable, and the operator can change sites or plans when conditions require it.

Blue Cave: the easiest way to meet Okinawa’s fish

The Blue Cave is in Onna Village, in central Okinawa, and boats leave from Maeganeku Fishing Port. The usual departure slots are 9 AM, 11 AM, 1 PM and 3 PM. Be at the pier 40 minutes before your chosen time, not at the last minute with your sandals in one hand.

The cave is described as a beginner-friendly spot with schools of fish close by. If you choose introductory scuba, the operator says first-timers can take part, and an instructor leads the activity. Snorkeling is also an option, with a broader stated age range than scuba. The cave’s appeal is its concentrated, sheltered setting: you get a defined place to look around rather than an open-ended outing across multiple sites.

The package includes equipment and photography, except for computers and flashlights. Bring swimwear or a rash guard, a towel and slippers. The inclusion of photos is useful if you want to focus on the water instead of trying to manage a camera, but ask how and when the images will be delivered before departure.

One detail deserves a question. The Blue Cave description refers to feeding fish, while the general rules say not to feed marine or wild animals or damage the ecosystem. Those instructions do not sit comfortably together. Ask the operator what interaction is permitted on your chosen trip, and follow the instructor’s guidance rather than assuming fish feeding is allowed.

Whale sharks: a memorable encounter, at a higher price

The whale shark outing departs from Toya Fishing Port near Yomitan, usually at 8 AM or 1 PM. Arrive 20 minutes before departure. One account of the outing describes a boat ride of about five minutes and watching the whale sharks from outside a net. That is a helpful expectation: this is an organized viewing encounter, not a promise that you’ll swim freely alongside a whale shark.

The operator advertises a very high chance of seeing whale sharks and mentions feeding performances. Any wildlife encounter remains subject to conditions and the operator’s procedures, so read the near-certain claim as the supplier’s description, not a guarantee. The same general rule against feeding marine animals applies here too. Ask how the feeding performance is managed and what contact or viewing rules you’ll follow.

At US$140.30, this is the most expensive option. You’re paying for a rare chance to see a very large fish at close range, as well as equipment, instruction and photographs. That can be worthwhile if the whale shark is the main reason you’re going to sea. If your priority is simply clear water or a first taste of the underwater world, the lower-priced Blue Cave outing may make more sense.

The guide matters on an outing like this. Yama has been praised for patient guidance and taking plenty of photos; English-speaking guide Yamamoto has also been singled out for being kind and informative. You can’t assume either person will lead your departure, but the reports point to the value of clear instruction and an attentive camera hand.

Kerama: clear water, with a two-person minimum

The Kerama option heads to waters in a national park, known for high visibility and photo-friendly conditions. It starts from Naha New Port, with departures listed at 7:30 AM and 12:30 PM. Arrive 20 minutes early, and note that the trip requires at least two people.

At US$126.15, Kerama costs more than the Blue Cave but less than the whale shark outing. Its draw is the water itself: clarity can make a big difference if you want to see below the surface or take pictures. The trade-off is that you need a second participant, and the early departure may mean a dawn start depending on where you’re staying.

There is some uncertainty in the port details: the information gives Naha New Port and also names Kadena Fishing Port. Since those are not interchangeable meeting instructions, confirm the exact pier, not just the departure time. Weather and sea conditions can also prompt a change of location or plan.

The schedule needs a careful double-check

The stated duration is two hours, but the activity details give several departure windows, a return time of 3 PM, and separate ports for each package. There is also a stray reference to Maryudo Falls, which does not match the three marine options described here. Rather than trying to reconcile those details yourself, contact customer service after booking and ask them to confirm the specific package, port, meeting time and expected return.

The Blue Cave asks you to arrive 40 minutes before the boat leaves; the whale shark and Kerama departures ask for 20 minutes. Late arrivals are treated as same-day cancellations, with no refund. Give yourself time to find the correct pier, especially if you’re unfamiliar with the area.

The operator plans to contact you through WhatsApp, LINE or WeChat the day before. Watch for that message, since weather and sea conditions may change the site or schedule. If the operator cancels or changes the outing because of force majeure, such as bad weather, a refund or date change may be available. Personal lateness, health issues not disclosed in advance, or leaving partway through for personal reasons can mean losing the fee.

Safety, age limits and what to bring

You don’t need prior experience, but that does not mean every participant can join every option. Snorkeling is listed for ages 6 to 65, while introductory scuba is listed for ages 10 to 60. Children aged 6 to 18 must be accompanied by a paying adult, and no one under 18 can register alone. The age rules are repeated in slightly different ways, so confirm eligibility if you are near the upper age limit.

The operator says first-time scuba participants over 60 require one-on-one instruction and an extra ¥15,000, payable directly to the instructor. Other age guidance says people 65 and older are not accepted, while the introductory scuba range ends at 60. Because those rules appear to overlap, check your precise age and activity before booking rather than relying on a general age range.

You’ll need to complete a health questionnaire in advance. The stated restrictions cover pregnancy and a range of heart, lung, respiratory, ear, eye, sinus, neurological, mental health and other medical conditions, as well as recent surgery and some prescription medication. If you answer yes or are unsure about any item, contact the operator before paying. If a medical certificate is required, it should be provided beforehand. The operator makes the final decision on participation for safety reasons.

Bring swimwear or a rash guard, a towel and slippers. Equipment is included, but computers and flashlights are not. The fee includes insurance provided by the operator, described as diving insurance; additional travel or accident insurance is recommended. You’ll also be asked to sign a liability waiver.

Do not drink alcohol on the day. If you are intoxicated or hungover, you may be refused participation without a refund. After scuba, do not fly for at least 18 hours; if you have made repeated descents or exceeded decompression limits, the stated minimum interval is 24 hours. Build that into your Okinawa plans before you book a flight.

Is the price worth it?

For the Blue Cave, US$70.95 is a reasonable starting price if you want instruction, equipment and photos bundled together. It is particularly appealing for a first snorkel or introductory scuba outing, though you should confirm exactly which activity your selected package includes.

Kerama’s price makes sense if clear water and the national park setting are your priority, and you have another participant to join you. The whale shark outing costs more, but it offers the most distinctive subject for photos and the chance to watch an enormous animal at close range. Those are very different kinds of value, so choose by what you want to see, not by price alone.

The package does not include transport, food or accommodation. Add those costs when comparing it with other plans, and avoid scheduling another activity too close to the return time. The sea can alter the day’s plan, and the listed schedule itself needs confirmation.

Should you book it?

Book the Blue Cave if you want a relatively affordable, guided introduction to Okinawa’s underwater world. Choose Kerama if you’re traveling with at least one other person and prize clear water and photos. Choose the whale shark outing if seeing a large marine animal is worth the higher price to you, while keeping in mind that the viewing setup is controlled and wildlife sightings can never be treated as a promise.

Before paying, get the exact port, start time, activity type, age eligibility and expected duration confirmed in writing. If you have a medical concern or a flight within the next day, settle those questions first. That little bit of preparation is the difference between an easy morning by the water and a hurried one at the wrong pier.

FAQ

What does the activity cost?

Prices start at US$70.95 for the Blue Cave, US$126.15 for Kerama and US$140.30 for the whale shark option. The listed prices include equipment and photography, with computers and flashlights excluded.

What are the age limits?

Snorkeling is listed for ages 6 to 65, and introductory scuba for ages 10 to 60. Children aged 6 to 18 must be accompanied by a paying adult, and minors cannot register alone.

Do I need previous experience?

No prior experience is required. The activity is described as suitable for beginners, though introductory scuba has its own age and health requirements.

What should I bring?

Bring swimwear or a rash guard, a towel and slippers. Equipment and photography are included, but computers and flashlights are not.

Where does each option depart from?

The Blue Cave departs from Maeganeku Fishing Port. The whale shark outing departs from Toya Fishing Port. Kerama is listed as departing from Naha New Port, but the port details also name Kadena Fishing Port, so confirm the exact pier with customer service.

How early should I arrive?

For the Blue Cave, arrive 40 minutes before departure. For the whale shark and Kerama options, arrive 20 minutes early.

Can I fly after the scuba activity?

Do not fly within 18 hours after scuba. If repeated descents or decompression-limit issues are involved, the stated minimum interval is 24 hours.

What happens if the weather is poor?

Weather and sea conditions can change the itinerary or activity site. If the operator changes or cancels the activity due to force majeure, a refund or date change may be available.