From Naha Scuba Diving Trip in Kerama(for certified divers)

Kerama National Park is the star here: clear blue water, colorful coral, turtles, reef fish, and occasional sharks make this one of Okinawa’s best full-day scuba outings. The boat ride from Naha takes about an hour, but the payoff is a full day among some of the region’s most admired underwater sites.

I like the small groups of up to four people, which gives your guide time to watch your air, pace, and comfort. I also like the practical package: hotel transport in selected areas, equipment rental, insurance, two boat sessions, and underwater photos are included. The main catch is that lunch, drinks, towels, and a dive computer cost extra or must come from you, and some sites can be crowded.

Kerama’s clear water is the main event

The Kerama Islands sit off Okinawa’s main island and are protected as Kerama National Park. You will spend most of the day on a boat, traveling from Naha to selected sites rather than hopping between land attractions. The reward is time in open water with excellent visibility when conditions cooperate.

The underwater scenery changes with the site. You might see coral gardens, fluorescent reef fish, turtles, small caves, or larger fish moving through the blue. One outing included Nosaki, Doma, and Kameku, while another included three different locations, so the exact route depends on weather and sea conditions.

The water can be warm enough that one participant managed with a wetsuit that did not zip fully. That is not a reason to skip the trip, but it is a useful fitting tip: if you need more room in the chest or shoulders, ask for a larger suit before leaving the dock.

What the small group changes

SEAKERS limits the group to four participants. That matters more underwater than it does on a standard sightseeing tour. A guide can give closer attention to buoyancy, hand signals, air supply, and comfort without managing a large line of people.

Ryuta is named several times by customers as a calm and attentive guide. He has handled beginners to the day’s pace with patience, explained procedures clearly, and sent photos and videos afterward. Yun is also praised for understandable English and a careful, systematic approach to preparing the boat and equipment. Guide names can change, but English and Japanese instruction are available.

Small does not mean private every time. The boat and reefs may still be shared with other groups, and one participant found the sites and boat busier than expected. If you want complete solitude, conditions may not deliver it. If you want a safer, less rushed experience than a large group usually allows, the four-person limit is a real advantage.

The early pickup sets the pace

The day begins around 6:45 a.m., with pickup from your accommodation in the approved areas. Pickup and drop-off are offered in Naha, Urasoe, and selected parts of Ginowan. Naha’s Akamine and Shuri areas are excluded, while Ginowan service is limited to Laguna Garden Hotel, Okinawa Prince Hotel, and Moon Ocean Ginowan Hotel & Residence.

You wait outside your accommodation entrance, not in a lobby hidden from the driver. Be ready on time. Missing the scheduled meeting point can count as a no-show, so this is not the morning to wander out for breakfast at the last minute.

Airbnb guests should give precise accommodation details on the registration form sent after booking. Large bags and oversize luggage are not allowed, which makes sense on a boat with limited room. Bring only what you need for the day.

The 7:00 a.m. briefing and boat setup

At the meeting point, you receive a boat briefing and assemble your scuba gear. The scheduled briefing lasts about 45 minutes, giving you time to review the plan, ask questions, and get comfortable with the equipment before departure.

The boat leaves around 7:45 a.m. and takes roughly an hour to reach the Kerama area. The equipment setup is described as orderly and systematic, a small detail that becomes important when several people are preparing at once. You will want to listen closely to the safety information, especially if you have not been underwater recently.

You must hold a valid certification from a recognized organization. This is not an introductory session for uncertified swimmers, and non-swimmers cannot join. Bring proof of certification, along with a change of clothes, towel, flip-flops, food, and drinks.

The first two boat sessions in Kerama National Park

The first underwater session is scheduled for about 9:00 a.m., followed by the second around 10:30 a.m. Together, the included sessions take roughly two hours, though the exact time underwater and surface intervals depend on the site and the group.

These are the core of the trip, not a teaser for the optional extra. Two boat sessions are included in the base price, and you should understand that before booking. The third session is optional and costs 5,500 yen in cash.

The sites can offer very different views in one day. Nosaki, Doma, and Kameku have been used on a three-session route, and the underwater setting may include coral, small caves, turtles, reef sharks, and schools of smaller fish. One participant described watching a reef shark circle nearby, while others saw turtles and larger fish moving through groups of tiny fish.

The best feature is visibility. Several outings had exceptionally clear water, allowing you to see the reef and marine life at a comfortable distance. Visibility is never guaranteed, of course. Weather, currents, and sea conditions can change the plan, and the operator may choose another site for safety.

Do not touch marine life. This rule protects both you and the animals, and it is especially important around coral and turtles.

Lunch on the boat, with one important catch

Lunch is scheduled around 11:30 a.m. on the boat, with the optional third session beginning near 12:30 p.m. Lunch is not included, so bring a packed meal and drinks. Do not assume you can buy food once the boat is underway.

This is a practical point that can easily get lost among the coral and turtles. A long morning in the sun and sea leaves you hungry, and a sandwich, fruit, water, and a warm drink can make the afternoon much more comfortable. Towels are not provided either.

The boat setting gives you a break without leaving the water. You can eat, dry off, and prepare for the optional third session. If you are prone to seasickness, think carefully before booking. The operator specifically lists seasickness as a concern, and the boat ride takes about an hour each way.

Is the third session worth 5,500 yen?

For certified participants who feel good after two sessions, the extra session is an attractive add-on. Several customers chose it and enjoyed getting three different sites in one day. At 5,500 yen in cash, it can be a good value if you already paid for transport, boat access, equipment, insurance, and a full day at Kerama.

Still, do not treat it as an obligation. Two sessions already make a substantial day, and fatigue can affect buoyancy, concentration, and comfort. If you are tired, seasick, cold, or low on air, staying on the boat is the sensible choice.

A dive computer is another optional cost. It is 1,500 yen in cash, or it may be provided free in exchange for a positive review. I would recommend deciding based on your own equipment needs rather than on the discount. If you normally use a computer, ask about availability before the boat leaves.

Underwater photos add real value

Underwater photos and videos are included, which is a useful extra for anyone traveling without a camera. Ryuta has sent edited short videos and photos after the day, giving you something more lasting than a wet memory and a few blurry phone pictures.

Photo quality and the number of images can vary with visibility, marine life, and the guide’s workload. Still, having a guide who can record moments with turtles, reef fish, or a shark adds value to the package. You can focus on your buoyancy and surroundings rather than trying to operate a camera.

The photos also help if this is your main Okinawa activity. You get a clear record of the reefs and sites even if you spend the rest of your trip on land.

The return to Naha takes most of the afternoon

The boat returns to port around 2:30 p.m., followed by accommodation drop-off at about 3:30 p.m. Timing can shift with sea conditions, site changes, and the number of participants.

Plan this as an eight-hour commitment, not a quick morning outing. You should avoid booking a tight afternoon appointment, airport transfer, or evening activity that requires you to arrive at an exact time. The early start and full schedule are part of the value, but they also make this a tiring day.

The included transport is especially useful if you are staying in Naha and do not want to arrange a taxi before sunrise. It also keeps the morning simple: wait at the agreed entrance, board the vehicle, and let the operator handle the port transfer.

What the $206 price gets you

At $206 per person, the price is not cheap, but it covers more than a short local boat trip. You receive hotel pickup and return in designated areas, the boat ride to Kerama, two boat sessions, full equipment rental, an English or Japanese guide, insurance, and underwater photos.

That package has good value for a certified diver who needs rental gear and transport. The cost becomes less attractive if you bring your own boat gear, need only one short session, or do not care about reaching Kerama. The optional 5,500 yen third session and 1,500 yen computer rental should also be part of your budget.

The price does not include lunch, drinks, towels, or personal items. Bring those yourself and carry cash for the add-ons. The reserve-now, pay-later option and free cancellation up to 24 hours before the activity make planning easier, but you still need to read the pickup instructions carefully.

Who should book this Okinawa scuba trip?

I would choose this for a certified diver who wants a full day at Kerama without arranging a separate taxi, boat, guide, and equipment rental. It suits people who value close supervision and clear English instruction, especially if they have not been underwater recently.

It also works well for couples or friends who want a small group. One customer had a guide and boat arrangement that made the day feel unhurried, while another couple enjoyed three sessions in clear water with colorful coral and marine life.

I would think twice if you have low fitness, recent surgery, heart problems, epilepsy, diabetes, kidney problems, high blood pressure, or another medical concern listed by the operator. The activity is also not suitable for pregnant women, children under 12, wheelchair users, non-swimmers, uncertified participants, or people over 60 according to the stated restrictions.

If seasickness is a concern, the hour-long speedboat trip each way deserves serious thought. Bring suitable food and water, follow the safety briefing, and tell the guide if you feel unwell.

Practical strengths and tradeoffs

• Three possible site visits: The optional third session can bring you to three different Kerama locations in one day.
• Four-person maximum: A small group gives the guide more time to monitor each participant.
• Guides with clear English: Ryuta and Yun are specifically praised for friendly, careful briefings, though staffing can vary.
• Transport included: Pickup and return simplify an early start, but service covers only listed areas and hotels.
• Photos included: Underwater images and short videos give you a useful souvenir without carrying a camera.
• Bring your own lunch: Food, drinks, towels, and cash for extras are your responsibility.

Should you book it?

Book this trip if you are certified, comfortable on a boat, and want two well-supported boat sessions in Kerama National Park with the option for a third. The small group, included equipment, transport, insurance, and photos make the $206 price reasonable for a full day.

Skip it if you want a short, casual water activity, dislike early starts, or are likely to struggle with seasickness. Also confirm your pickup area, wetsuit size, certification, lunch plan, and need for a dive computer before paying. For the right certified participant, this is a strong Okinawa choice, with the best moments likely to come from clear water, turtles, coral, and the chance to add a third site.

FAQ

How long does the Kerama scuba trip last?

The activity lasts about eight hours, including accommodation pickup, the boat ride, two included boat sessions, lunch time, the optional third session, and return transport.

How many scuba sessions are included?

Two boat sessions in Kerama National Park are included in the price. A third session is optional and costs 5,500 yen in cash.

Is the third scuba session included?

No. The third session is an add-on priced at 5,500 yen in cash.

Is scuba equipment rental included?

Yes. Full scuba equipment rental is included. A dive computer is separate and costs 1,500 yen in cash, with a possible free option connected to leaving a positive review.

Is hotel pickup available?

Yes, pickup and return are included in designated areas of Naha, Urasoe, and selected parts of Ginowan. Naha’s Akamine and Shuri areas are excluded, and only three listed hotels in Ginowan are covered.

What languages does the instructor speak?

Instruction is available in English and Japanese.

Do I need a scuba certification?

Yes. Every participant must hold a valid certification from a recognized organization.

Is lunch included?

No. You need to bring a packed lunch and drinks. Towels are also not provided.

Are underwater photos included?

Yes. Underwater photos are included in the activity.

What happens if bad weather cancels the boat?

SEAKERS will arrange an alternative site at no extra cost when possible. If no suitable option is available, you receive a full refund.