Thorough explanation of the charms of Kohama Island diving tours! Access information and plans for children are also introduced.
Let's enjoy diving in Kohama Island!
Thorough explanation of the attractions that even beginners can enjoy
debut on an isolated islandKohama Island is a popular destination for families and tourists.
This column provides an easy-to-understand summary of everything from access to experience plans and store selection.
First, dive in Kohama Island.attractionLet's check out the following
◆Those who want to experience diving in Kohama Island.
◆Those who want to find a diving spot in Kohama Island
◆Ask for activities that you can enjoy with your children.
Click here for Kohama Island Popularity Ranking
What is the attraction of diving in Kohama Island?
Kohama Island is surrounded by crystal clear waters and rich coral reefs.Beginner-friendly islandIt is.
After the dive, you can relax on the white sand beach or ride a bicycle through the sugar cane fields, both on land and in the sea.unique to a tropical countryYou can experience the healing power of
Stable sea conditions for beginners
Kohama Island's topography is less susceptible to the strong currents of the open ocean, and the island can be visited throughout the year.The waves are calmIt is characterized by a large number of days that are
On the day, you will learn how to breathe through a regulator on land and how to remove your ears.Deliberate lecturesand a maximum of four to sixsmall-group systemto the sea.
Underwater, your instructor is in charge.Always accompanied byThe program is designed for beginners and those who are not good at swimming, as they will be able to follow along.Participate with peace of mindThe following is a list of the most common types of products that can be used in the market.
Access to Kohama Island
Access to Kohama Island is from Ishigaki Port Ritojima Terminal.high-speed vesselorferryis the mainstream.
Choose the best method for your itinerary and the amount of luggage!
Because it is fully booked during high seasonround-trip reservationis safe.
high-speed vessel
From Ishigaki PortMinimum 30 minutesArrive at Kohama Island in
There are 6 to 8 flights a day, and if you take the morning flightDay DivingThere is also room for
◆Disadvantages ◆Cost price ◆Required time
The short travel time and large number of flights make it easy to adjust schedules.
The small size of the boat makes it rock easily, and the equipment storage area is cramped during busy periods.
One-way (adult): 1,400 yen (as of July 2025)
Approx. 30-40 min.
ferry
The trip takes 50 to 60 minutes, which is a little long, but the ship is large and has little swaying.People prone to seasicknessAnd,have a lot of baggagePopular with families!
The number of flights is limited to about two per day.Reservation requiredIt is.
◆Disadvantages ◆Cost price ◆Required time
Less swaying and more space for equipment and strollers.
The small size of the boat makes it rock easily, and the equipment storage area is cramped during busy periods.
One-way (adult) 1,070 yen (as of July 2025)
Approx. 60 min.
Best season and annual sea conditions and climate
The ocean of Kohama Island can be dived all year round, though,Objective.The aim changes with the
- In winter (January to March), the water temperature is low at around 22℃.transparencyis stable.
- In spring (March to May), the "Ishigaki blue" extends nearly 30 meters.photo groupPopular for.
- Summer to early fall (June to October), the water temperature is a comfortable 28 to 30 degrees Celsius.Manta ray encounter rate at its highestThe following is a list of the most common problems with the
Typhoons are likely to approachCheck back in August and September for the latest information on career paths!
In-Depth Guide to Popular Diving Spots
There are more than 20 dive sites around Kohama Island, and most of them are accessible by boat.10 min.Within.
Choose from options tailored to your skill level, from beginners to advanced divers!
![[Departing from and returning to Kohama Island / Approx. 3–4 hours] Afternoon Private Boat Charter ☆ Day trips from Ishigaki Island are welcome! Relax in the morning♪ Recommended for family and company trips](https://phantomislandtour.ishigaki-tours.com/wp-content/uploads/2022/10/IMG_0727-825x510.webp)
[Yonara Waterworks]
Manta Encounter Rate ◎
The Yonara Channel, which runs north-south between Kohama Island and Iriomote Island, has good tidal passage, allowing plankton to easily gather,June-OctoberMultiple manta rays appear in a line atOne of the best manta pointsIt is.
◆It is good manners to keep neutral buoyancy and wait quietly without standing on the sand.
◆The blue gradation looks beautiful when photographed with the sun in the background.
Coral Beach
Diving & Snorkeling for Beginners
In shallow points with a depth of 5 to 8 meters.The waves are calmThe following is a list of the most common problems with the
The branch corals are swarming with clownfish and bigeye sunfish, and the experience divingIdeal for the first bottleIt is!
Access: 30 minutes by ferry from Ishigaki Island, 10-15 minutes by car after arriving at Kohama Island.
[Dutch mouth].
Cave type spot
North side of Kohama Islandterrain point.
One of the few in the Kohama Island area.Cave type spotand the collaboration of the light-filled cave and giant kikka coral is a highlight!
The current is calm, so it's a great place for terrain debutants and beginners to go for wide-angle tours.Filming PracticeIt is also a great place to learn to dive, but lights and neutral buoyancy skills are a must.
◆Recommended time ◆Cautions
Suitable for beginner to intermediate level (beginners are also acceptable as the current is weak)
Clear skies from mid-morning to around noon. The glow from the opening at the top of the cave makes for a great wide angle shot!
In fissures with narrow entrances, be careful of coral contact and sand rolls. Carry a float for flotation just in case.
Marine activities you can experience
In addition to diving, Kohama Island offers SUP cruises, clear kayaking, and sunset cruises with stargazing.Full of activitiesThe company is doing so.
Some stores offer discounts for diving and same day reservations.advance confirmationis recommended!
snorkeling
This is a classic activity that allows you to easily observe coral reefs and tropical fish in the shallow waters with excellent transparency.
With mask, snorkel, and fins.near the waterThis is an activity to observe the marine world while swimming through the
No license is required, making it easy for beginners to get started, especiallyfamily classPopular for!
Floats and life jackets are provided, so even if you are not a good swimmer, you don't have to worry.
⬇︎ snorkelingClick here for popular tours in⬇︎
SUP
Cruise the calm inner bay standing on a board.
On clear days, beginners can look down on coral and sea turtles over the surface of the water.sit and rowYou can get started with a SUP cruise!
While viewing the island shadows of sugar cane fields and Iriomote Island in the distance,Relaxed island timeIt is a great way to fully enjoy the
⬇︎ Ishigakijima SUPClick here for popular tours in⬇︎
![Ishigaki Island] Unusual and full of openness! Sunrise SUPor Canoe & Phantom Island Landing & Snorkeling Tour (No.455)](https://phantomislandtour.ishigaki-tours.com/wp-content/uploads/2024/09/20cef465a8e2744b0f167c3552891604-e1696986529531-825x510.webp)
Sunset Cruise
The boat departs around 17:00 in the evening, and you can watch the sunset from the boat as it tilts toward Iriomote Island.
green flash (optical phenomenon occurring shortly after sunset or before sunrise)You can sometimes see [...], making it a hit with couples and families!
Drink service and guided tours with island songs are also available!
⬇︎ Sunset CruiseClick here for popular tours in⬇︎
What to bring when participating in a diving tour
To enjoy the ocean of Kohama Island safely and comfortably,Advance Preparationis essential.
Refer to the checklist below,make sure you don't forget somethingLet's welcome the day of the tour.
◆Sandals and wet weather wear
Mask, snorkel, and fins (can be rented on site)
◆Sickness medicine, sunscreen, rash guard
◆ waterproof bag and waterproof case for smartphone
◆Cash (cash settlement is the main method for remote islands)
◆Health Check Sheet
◆Dive computer (for intermediate and above)
◆Light (for intermediate and above)
◆Current hook (for intermediate and above)
◆C-card and log book (license holders only)
Compare Tour Prices and Duration
In the Kohama Island area, the most common prices are 1 experience dive in the 13,000-yen range and 2 boat trips in the 15,000-yen range.
Since the total price will vary depending on the availability of equipment and lunch service, please check with the "Lunch Service" section before making a reservation.What's includedIt is always a good idea to check the "What's New" section of the website.
⬇︎ Kohama Island DivingClick here for popular tours in⬇︎
Half-day tour fee
- Experience diving 1 dive: 11,000-14,000 yen
- 2 fun dives: 15,000-17,000 yen
◆People who want to combine a day trip from Ishigaki Island or afternoon sightseeing.
License holders who want to dive only in the morning and enjoy the beach or cycling in the afternoon.
Prices for 1-day tours
- 2 diving experiences: 17,000-24,000 yen
- 2 fun dives: 15,400-17,000 yen
- 3 fun dives: 20,000-22,000 yen
Families and groups who want to dive two dives because they came all the way here.
License holders who want to spend a whole day at open sea points (such as Yonara Channel) and targeting big fish.
Cost-effectiveness and satisfaction as indicated by participant reviews
Look not only at the price, but also at safety management and hospitality.
Fish and coral reefs you can encounter in the ocean of Kohama Island
Kohama Island is located in a corner of Shihsi lagoon,About 400 species of coralsandOver 900 species of fishIt is a rich sea inhabited by
Colorful coral reefs and tropical fish watching
In the ocean around Kohama Island, colorful reef fish such as Luris sparrowhawks and Debus sparrowhawks covering branch corals, clownfish and clownfish living in anemonesObserved all year roundCan be done!
Coral species that can be seen include green coral, eda coral, yellow coral, blue coral, common coral, and longleaf coral.
Chance to encounter sea turtles, manta rays, and other big fish
For big fish, the Yonara Channel, which stretches from north to south, has a high rate of migration from June to October.common sandeel (Actinidia arguta)are the highlights!
In the same area, tornadoes of bigeye jacks and barracudas can appear, if you're lucky.giant trevally (Caranx ignobilis)The passage of the orgreen turtle (Chelonia mydas)...and you can even enjoy a rendezvous with a hawksbill turtle!
Recommended for children & families
For family tours, we offerfor use by childrenWetsuits and full face masks are provided.
Instructor in shallow water with a maximum depth of 5 meters.one-to-oneInstruction and cruising to see dolphins and flying fish may be incorporated during the trip.
⬇︎Family Fun is a popular tour: ⬇︎
How to choose a reputable dive store
The key points in choosing a store are safety control, small group, Japanese-speaking guide, and good facilities.4 pointsIt is.
On the official websiteInsurance Coverageand ... andEquipment Maintenance HistoryCheck to see if they have published the
◆Are hot showers, changing rooms, and beverage service available?
◆Are there extensive underwater camera rental and data transfer services?
summary
Diving tours of Kohama Island are,crystal-clear seaandA variety of spots, ,beginnersince (i.e. "since when", "when we started", etc.)accompanied by childrenThe attraction of this program is that it offers a full range of programs that can be enjoyed by all ages from children to adults.
Accessibility and encounters with manta rays,You can only experience it here.The excitement awaits you.
Find the right store and plan for you,Tropical BluePlease enjoy the world of
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