Reviewed · OKINAWA TOURS

Naha, Okinawa: Kerama Islands Full-Day Intro-Diving Trip

★ 4.6 · 203 reviews 8 hours From $70 Operated by Marine House SEASIR · Bookable on GetYourGuide
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The big draw here is simple: you get a full day around the Kerama Islands National Park, not a rushed swim beside Naha. The clear water, coral gardens, tropical fish, and chance of sea turtles make this a strong first taste of Okinawa below the surface. I like the careful instruction and the fact that the boat includes lunch, changing rooms, hot showers, and digital photos. The main catch is that the package includes only one introductory scuba session, often around 20 minutes, with most of the day spent snorkeling.

I also like the practical setup. Hotel pickup, loaned equipment, towels, tea, insurance, and an English or Chinese-speaking guide make this far easier than arranging a first scuba attempt on your own. Just take the health screening seriously, plan motion-sickness protection, and leave at least 18 hours between the activity and your next flight.

Key points to know before booking

Naha, Okinawa: Kerama Islands Full-Day Intro-Diving Trip - Key points to know before booking

  • One supervised scuba session: The introductory course includes instruction, equipment, and one underwater session with a certified instructor.
  • Up to three water stops: One location is selected for the scuba session, while the other stops are used for snorkeling.
  • A well-equipped boat: You get changing rooms, hot showers, toilets, towels, tea, water, and a lunch box.
  • Good first-timer support: Guides including Doa, Mai, Tai, and Kevin have been singled out for calm, friendly help.
  • Sea turtles are possible: They are not guaranteed, but sightings have included several turtles, along with sea snakes and an octopus.
  • Strong value at $70: Pickup, food, gear, insurance, and underwater photos are bundled into the price, though extra scuba sessions may cost more.

Why the Kerama Islands are worth a full day

Naha, Okinawa: Kerama Islands Full-Day Intro-Diving Trip - Why the Kerama Islands are worth a full day

The Kerama Islands are the reason to choose this outing instead of a quick shoreline lesson. From Naha, you spend the day on open water with several chances to swim over coral and watch fish in clear conditions. The boat ride itself gives you broad views of Okinawa’s blue sea, and the upper deck is a useful place to breathe fresh air between water sessions.

This is not a certified scuba course. It is an introduction for people who want to try breathing underwater without committing to a longer qualification program. You learn what the mask, regulator, tank, and other equipment do, then enter the water with an instructor close by.

That format suits a first attempt. You do not need to master everything at once, and you can spend more time snorkeling if the scuba part feels uncomfortable. One guest could not continue because of ear pain, but still explored the reef with a mask and snorkel while the instructors offered patient help.

The marine life is a major part of the appeal. You might see schools of tropical fish, colorful coral, sea snakes, an octopus, or sea turtles. The turtles are a lucky sight rather than a promise, but several people have encountered them during the trip.

From Naha pickup to the wharf

Naha, Okinawa: Kerama Islands Full-Day Intro-Diving Trip - From Naha pickup to the wharf

The day begins with pickup from selected Naha hotels or meeting points. The transport received strong marks for punctuality, but you must choose from the available pickup locations rather than assume every hotel is covered.

You then check in at the Naha office and complete the required health and safety paperwork. This is more than a routine form. Scuba activity involves pressure changes, and some medical conditions can make it dangerous or even life-threatening.

Read the operator’s medical checklist before paying. If any item applies to your current or past health, you should not book. If you cannot pass the check on the day, no refund is provided. You also need to give the company each participant’s full name, age, gender, weight, medical-check result, and vegetarian lunch request.

After check-in, staff fit you with a wetsuit and the rest of your equipment. Take your time here. A comfortable mask and properly fitting wetsuit matter more than looking ready for an underwater postcard.

The group then walks to the boat at the wharf. On board, you can see the changing areas and facilities before the boat heads out. The upper deck offers a good place to take in the sea views and listen to the basic scuba briefing.

What the introductory scuba session feels like

Naha, Okinawa: Kerama Islands Full-Day Intro-Diving Trip - What the introductory scuba session feels like

Your instructor explains how to use the equipment and how to manage yourself underwater. The key skill is equalizing pressure in your ears as you descend. This can be harder than expected, and one participant specifically found it challenging.

Do not force it. If your ears hurt, tell the instructor immediately and stop descending until the problem is addressed. The guides are there to control the pace, not push you to prove anything.

The instructor stays at your side during the one included session. That close support is especially useful if you feel nervous, have never used a regulator, or need help staying calm while breathing underwater.

The session is limited. One account described roughly 20 minutes of scuba time, so set your expectations properly. This is a short introduction, not a day of extended underwater exploration. The snorkeling portions provide most of your freedom and water time.

Some bookings have included two scuba sessions for an additional fee, but the standard package described here includes one. If your priority is scuba rather than general reef time, ask about the extra session before booking or consider arranging a scuba-focused package directly with the operator.

Three stops, three ways to enjoy the sea

Naha, Okinawa: Kerama Islands Full-Day Intro-Diving Trip - Three stops, three ways to enjoy the sea

The crew can visit up to three water locations during the day. Conditions determine the exact stops, so the schedule is not a fixed sightseeing route. That flexibility is useful because the best place for an introductory scuba session may not be the best place for snorkeling.

At one carefully selected site, you take your supervised underwater session. The instructor chooses the location based on the day’s conditions, giving you a better chance of a comfortable first attempt.

At the other scenic points, you snorkel over coral and fish. This is where you can move at your own pace and spend longer looking at the reef. Snorkeling also gives you the chance to keep enjoying the sea if you decide scuba is not for you.

Conditions can change. One outing had rain, but the water still offered fish, sea snakes, and other marine life. The clear water is a major attraction, yet no boat trip can guarantee perfect visibility or the same animals at every stop.

The sites have also been described as uncrowded, which matters more than it may sound. A reef is easier to appreciate when you are not constantly finning around other swimmers. You have more room to look closely, listen to the guide’s fish identifications, and simply float.

Lunch, hot showers, and the boat’s useful comforts

Naha, Okinawa: Kerama Islands Full-Day Intro-Diving Trip - Lunch, hot showers, and the boat’s useful comforts

The included lunch is a proper part of the day, not an afterthought. You receive a lunch box, and vegetarian meals are available if requested in advance. One guest specifically praised the food, while another noted that tea, water, biscuits, and a bento-style meal were provided.

You should still bring snacks only if you need something specific, since the supplied information confirms lunch but not extra food choices. Water and tea are included.

The boat has changing rooms and hot showers, which make a big difference after repeated time in the sea. You can rinse off, dry out, and change without waiting until you reach shore. Towels are included as well.

Reports describe clean equipment, two toilets, two shower rooms, and two dressing rooms. Facilities can feel basic on a working boat, but this setup is considerably more comfortable than a trip that leaves you wet and cold for the ride back.

The crew also takes underwater photos during the scuba session. Digital copies are included, so you do not need to bring an underwater camera to record your first time below the surface. This is one of the better extras in a $70 package.

How much value do you get for $70?

Naha, Okinawa: Kerama Islands Full-Day Intro-Diving Trip - How much value do you get for $70?

At $70 per person, this is priced as an accessible first experience rather than a specialist scuba expedition. The price includes hotel pickup and drop-off, the introductory course, one supervised session, a certified instructor, scuba and snorkel equipment, wetsuit, towel, lunch, drinks, insurance, photos, changing areas, and hot showers.

That is a generous bundle. You avoid rental costs, taxi fares, and the trouble of finding a separate lunch near the harbor. The boat facilities and photo service also add value, especially if this is your only water activity in Okinawa.

The price is less compelling if you mainly want extended scuba time. Much of the day is spent snorkeling, and the included underwater session is short. People who already scuba regularly may find the format too limited, while first-timers get a sensible balance of instruction, support, and reef time.

The package is a particularly good fit if two people have different comfort levels. One person can attempt scuba while the other snorkels, and a nervous beginner can switch back to snorkeling without losing the whole day.

The guides and the feel of the instruction

Naha, Okinawa: Kerama Islands Full-Day Intro-Diving Trip - The guides and the feel of the instruction

The guides are one of the strongest parts of this outing. Instruction is available in English and Chinese, and individual staff members have made a clear impression, including Doa, Mai, Tai, and Kevin.

The important thing is not simply language ability. A first scuba session depends on calm signals, patient correction, and someone noticing when you are uncomfortable. The staff have helped participants through nerves, ear problems, and seasickness, while still keeping the day moving.

You should tell the crew early if you feel anxious or unwell. One participant received help with seasickness on board, but prevention is better than rescue. Bring personal medication and a motion-sickness remedy if you normally need one. Motion-sickness medicine is not included.

The boat crew also points out fish and explains what you are seeing. That turns a pretty swim into a more useful introduction to Okinawa’s marine life. You will get more from the stops if you ask questions rather than simply follow the group from one location to the next.

What to pack and what to avoid

Naha, Okinawa: Kerama Islands Full-Day Intro-Diving Trip - What to pack and what to avoid

Bring swimwear, a change of clothes, sandals, sunscreen, biodegradable sunscreen, personal medication, and motion-sickness prevention. Apply sunscreen to your feet as well as your shoulders and face, since feet can burn while you are floating for long periods.

The operator provides the main water equipment, wetsuit, towel, water, tea, and lunch. You do not need to bring scuba gear.

High-heeled shoes are not allowed. Intoxication is also prohibited, along with alcohol and drugs. Alcoholic drinks cannot be brought into the vehicle.

Most important, plan around your flight. You should not board an airplane within 18 hours after this activity because of the risk of decompression sickness. If you are flying out of Okinawa the next morning, this trip may not fit your schedule.

Pregnant women and people with epilepsy should not join. The full medical checklist also matters for conditions beyond those two examples, so read it before reserving your place.

Who should book this Naha boat trip?

Naha, Okinawa: Kerama Islands Full-Day Intro-Diving Trip - Who should book this Naha boat trip?

I would choose this for a first scuba experience, a couple with mixed interests, or anyone who wants snorkeling with a short introduction to scuba. It works well when you want the Kerama Islands but do not own equipment or want to organize transport, meals, and boat facilities yourself.

It is also a good option for nervous beginners. You have a certified instructor beside you, several staff members on hand, and the freedom to spend the rest of the day snorkeling if the regulator or ear pressure proves too much.

I would think twice if you want a serious scuba day. One included session is brief, and snorkeling takes up much of the schedule. Ask about adding another session before you commit, or select a different package designed around certified divers.

The full day can also be tiring. You move between boat, water, equipment, lunch, and several stops for roughly eight hours. That is part of the value, but it is not a quick morning activity.

Should you book it?

Book this Kerama Islands trip if you want an easy, well-supported introduction to scuba and plenty of snorkeling in clear Okinawan water. The $70 price covers the practical details that often add up elsewhere, and the boat’s showers, lunch, pickup, equipment, insurance, and photos make the day unusually convenient.

Skip it if you expect long scuba sessions or need a guaranteed turtle sighting. The honest description is one short introductory underwater session surrounded by a full day of snorkeling and reef scenery. For a first attempt, that balance is sensible. For an experienced scuba enthusiast, it may feel too light.

FAQ

How long is the Kerama Islands activity?

The trip lasts about eight hours, including pickup from Naha, check-in, boat travel, water stops, lunch, and the return transfer.

What is included in the $70 price?

The price includes hotel pickup and drop-off from selected Naha locations, an introductory scuba course with one session, a certified instructor, scuba and snorkel equipment, a wetsuit, towel, water, tea, lunch, insurance, changing rooms, hot showers, and digital underwater photos.

How many scuba sessions are included?

The standard activity includes one introductory scuba session. The rest of the water time is used for snorkeling. Additional scuba sessions may be available for an extra fee.

How many water stops will the boat make?

The schedule can include up to three different locations. One is selected for the introductory scuba session, while the other scenic locations are used for snorkeling.

Are guides available in English?

Yes. The listed guide languages are English and Chinese.

What should I bring?

Bring swimwear, a change of clothes, sandals, sunscreen, biodegradable sunscreen, personal medication, and motion-sickness prevention.

Can I fly soon after the activity?

You should wait at least 18 hours after the scuba session before boarding an airplane because of the risk of decompression sickness.

Can I cancel the booking?

You can cancel up to 24 hours in advance for a full refund. The activity also offers a reserve-now-and-pay-later option.

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