Naha:Kerama Islands 2 Fun Dive/Whale watching Limited time

The best part of this Naha outing is the fast boat ride to the Kerama Islands, where your day is built around two guided underwater sessions at two or three sites. The water is famously clear, and the route may include Tokashiki, Zamami, or Aka Island, depending on sea conditions and the day’s best spots.

I like the practical care here: full equipment, towels, hot showers, and a boat coat are included. I also like the extras that change with the calendar, especially whale watching from mid-January through March and shaved ice in August and September.

The main catch is simple: you need a valid C-card, and this is a long day on a boat. Wind or rough seas can change the route or cancel the trip, and anyone prone to seasickness should take medicine before leaving.

Key details before you book

• Two or three Kerama sites: The crew chooses from waters around Tokashiki, Zamami, and Aka Island based on conditions and your requests.
• Whales in winter: Whale watching is included on the Kerama route from January 12 through March, with another notice listing January 15 through March 31, so confirm the exact dates when booking.
• Certified divers only: This is not an introductory scuba lesson. You need a C-card and should bring your certification and dive log.
• Seven hours from Naha: Pickup is available within Naha city, with an 8:00 AM boat departure. You may also meet at the port.
• Cold-weather support: A 5mm one-piece suit, hooded vest, free boat coat, heated cabin, and hot water help take the bite out of winter conditions.
• Solo bookings are welcome: The boat runs daily even for one person, subject to availability and pickup capacity.

A fast boat ride from Naha to Kerama

Your day begins with pickup in Naha city or a local meeting point if you are staying elsewhere. The boat leaves at 8:00 AM, so you should be ready outside your hotel at the time sent by email the day before. If there is no contact about your lodging, expect to meet at the port instead.

The transfer information lists two one-hour van legs, but the important practical point is that this is a full-day outing rather than a quick harbor trip. You spend time getting to the boat, crossing to the islands, making two underwater stops, and returning to Naha. The high-speed boat is part of the appeal, giving you open-water views of the islands as you leave the city behind.

Pickup is limited to Naha city. If you stay outside Naha, you must make your own way to the port or local meeting place. Customers who drive can use the operator’s parking area, while port pickup may involve paid parking at 500 yen per day.

The boat is equipped with a toilet, changing room, hot water shower, tea, and a cabin. Those features matter more than they might sound. After a cold morning session, being able to change, rinse off, and warm up without returning to shore makes the schedule much easier.

Choosing among the Kerama Islands

The route focuses on the waters around Tokashiki Island, Zamami Island, and Aka Island. You are not locked into one named reef or one fixed underwater scene. The crew selects up to three of the best available spots for the day, taking wind, visibility, and sea conditions into account.

That flexibility is useful in Okinawa. A site that looks perfect on a map may be uncomfortable or unsafe in changing weather. The operator owns two boats, which helps with planning and gives the crew more control over where the day goes, although the final destination can still change suddenly.

The Chibishi Islands are not included. If you have your heart set on that area, this is the wrong trip. For the Kerama route, though, the three main island areas offer a good mix of coral, fish, terrain, and open-water scenery.

You can write requests in the booking comments. Ask about big fish, small fish, terrain, or a particular style of underwater visit. The crew says it will respond as much as possible, but requests are not guarantees. Weather and sea conditions still decide the final plan.

Two underwater sessions, with a possible third site

The core program is two fun scuba sessions, with access to two or three sites. The description also refers to careful selection of three top points, so the exact number of stops may depend on the day’s schedule and conditions. Confirm the final plan with the operator if the difference matters to you.

The first session is usually when you are freshest, and it is the best time to settle your breathing, check your equipment, and get comfortable in the water. The guide can adjust the pace to your level and help if you have not been underwater for a while.

This is not a beginner certification course. You must already hold a C-card, but the crew welcomes certified people who are rusty. That is a useful distinction. You are not expected to be a highly experienced scuba enthusiast, yet you should be comfortable with basic procedures and able to manage yourself in the water.

The waters can include small fish, larger fish, sea snakes, turtles, and sharks. A reported outing also included snorkeling after lunch, although snorkeling is not clearly promised as part of every departure. Treat it as a possible extra rather than a guaranteed third water activity.

The most praised features are the clear water, the range of marine life, and the calm support from the female dive master described in the feedback. The boat is also reported as clean and well equipped. Those details matter when you spend most of seven hours aboard a vessel with wet gear and limited space.

Whale watching between January and March

Winter adds a second reason to choose this trip. Whale watching is included on the Kerama route during the seasonal window, beginning January 12 according to the main description. The practical notes also give January 15 through March 31, so check the current operating dates before you pay.

Humpback whales pass through the waters around Okinawa in winter. You may hear or see them from the boat while moving between locations or returning to Naha. One outing had the luck to see humpbacks on the way home, which is exactly how this bonus works: it can turn the ride back into the highlight of the day, but it is not guaranteed.

The operator gives a clear warning that weather and sea conditions may prevent sightings. Book this as a scuba day with a chance of whales, not as a dedicated whale watching cruise. That mindset keeps expectations sensible.

Winter also brings a small advantage for people who dislike cold boat rides. The stated average outside temperature is around 20 degrees Celsius, while the Kerama water stays at about 22 degrees Celsius. The crew uses a 5mm one-piece suit, a 3mm hooded vest, a free boat coat, a heated cabin, and an engine heater.

Hot Okinawa soba and oden are provided for lunch according to the cold-weather arrangements. Check whether lunch is included in your chosen booking, since the January 1 mochi event is specifically for people who order lunch. Tell the staff in advance if you need extra cold-weather gear, because supplies are limited.

Summer extras and seasonal character

August and September bring shaved ice service. It is a small touch, but a welcome one after time in the sun and humid air. Free swim rings are also available, but you need to reserve one ahead of time.

January 1 has its own tradition: mochi pounding and an all-you-can-eat event. This is a special holiday program, not a normal feature of every departure. It is tied to the first session of the year and applies to people who order lunch.

The operator can also plan special events for birthdays and commemorative scuba trips. You will need to request these arrangements when booking. The supplied information does not promise a particular decoration or meal, so treat the idea as a planning option rather than a standard package.

What the $140 price covers

At $140 per person, the value depends on what you would otherwise need to rent and arrange separately. The price includes full rental equipment, tanks, weights, a towel, tea, changing facilities, a hot water shower, a toilet, and the boat coat. Naha pickup and drop-off are also included within the service area.

That package can compare well with a bare boat fee, especially if you do not want to carry equipment to Okinawa. It also covers the main transport and two guided underwater sessions, rather than asking you to arrange a separate island transfer.

A rental camera is available by reservation. A GoPro costs 3,000 yen with an SD card, while a rental camera SD card costs 2,000 yen. You can bring your own card for the rental camera. Ask about camera availability early, since reservation is required.

Lunch should be checked carefully when booking. The information specifically refers to packed lunch in the things to bring and also describes hot Okinawa soba and oden in the winter measures. Since the January 1 mochi event is limited to people who order lunch, do not assume every date has the same meal arrangement.

Who will get the most from this trip

This trip suits a certified scuba diver who wants an efficient way to reach the Keramas from Naha without arranging a private boat. It is also a sensible option for someone returning to the sport after time away, provided you are medically fit and comfortable in open water.

Solo participants can join, and the service runs daily even for one person, subject to space. English and Japanese support are available, which helps if you have questions about equipment, marine life, or the route.

The trip is not suitable for children under 10, pregnant women, wheelchair users, people with mobility impairments, or people with heart, respiratory, kidney, or other pre-existing medical conditions. It also excludes people with epilepsy, diabetes, vertigo, high blood pressure, recent surgery, a cold, or visual impairment. These restrictions are strict for a reason, so disclose relevant health concerns before booking.

You should also skip it if you are not certified. There is no provision for unqualified participants. Bring your C-card and dive log, along with swimwear, sun protection, sunglasses, dry clothes, medication, and lunch if required.

Boat comfort, safety, and the small print

The boat has a toilet, changing area, shower, tea, and a heated cabin. That is a good setup for a seven-hour day, but no boat is immune to motion. Take seasickness medicine before departure if you know you are sensitive, not after the first wave makes the decision for you.

The crew asks you not to touch marine life. That is both a safety rule and the right way to visit a living reef. Fishing, smoking in the vehicle, alcohol, drugs, sharp objects, oversized luggage, fireworks, and loud behavior are not allowed.

Weather can alter the destination or cancel the trip on the day. The whale sighting is also uncertain. Free cancellation is available up to 24 hours before departure, and you can reserve now and pay later, which helps when Okinawa’s weather forecast is unsettled.

Should you book the Kerama trip?

Book it if you already hold a C-card, want two guided sessions from Naha, and value included gear and warm facilities more than a fixed island itinerary. The clear water, varied marine life, clean boat, and attentive instruction make this a strong practical choice, particularly for a solo diver or anyone returning after a long break.

Choose another outing if you want a beginner lesson, a guaranteed whale sighting, a guaranteed third session, or access to the Chibishi Islands. Also think twice if long boat rides make you miserable.

For the best match, write your preferred marine life or terrain in the booking comments, reserve a camera and swim ring early if needed, and confirm the exact winter whale dates and lunch arrangements. At $140, the package is most attractive when you use the included equipment, Naha transfer, and seasonal extras.

FAQ

Do I need a scuba certification?

Yes. This experience is only available to people with a C-card. Bring your diving certification and dive log.

How long does the activity last?

The full experience lasts about seven hours. Check availability for the exact starting time, but the boat departs at 8:00 AM.

How many underwater sites will I visit?

You will visit two or three Kerama sites, depending on the day’s conditions and route. The main program includes two fun scuba sessions.

Which islands does the boat visit?

The route mainly covers waters around Tokashiki Island, Zamami Island, and Aka Island. Chibishi Islands are not included.

Is whale watching included?

Whale watching is included on the Kerama route during the seasonal winter period. The information gives dates beginning January 12 and also lists January 15 through March 31, so confirm the exact dates when booking. Sightings depend on weather and sea conditions.

Is hotel pickup available?

Pickup and return are available only within Naha city. If you stay outside Naha, you must meet and finish locally. Provide your hotel name and address when making the reservation.

What equipment is included?

Full rental equipment, tanks, weights, a towel, tea, a changing room, a hot water shower, a toilet, and a boat coat are included. A rental camera is available by reservation.

How much does a GoPro rental cost?

A GoPro rental costs 3,000 yen and includes an SD card. A rental camera SD card costs 2,000 yen, or you can bring your own card.

Can I join alone?

Yes. The operator accepts solo participants and runs the activity daily, subject to availability.

What should I bring?

Bring sunglasses, swimwear, dry clothes, sunscreen, personal medication, your diving certification, and your dive log. Bring a packed lunch unless your booking confirms another arrangement.