When to See Manta Rays in Ishigaki: Kabira vs Kuroshima, October–March Guide
You are floating above a blue world when an enormous shadow appears beneath you. A manta ray sweeps around in a slow, graceful circle, like a giant compass turning under your fins. On a scuba dive, look up and the same creature becomes an aircraft without an engine, gliding silently overhead.
Around Ishigaki and the Yaeyama Islands, that moment can be real. But the question is not simply when to come. It is where the mantas are likely to be, and whether the boat can safely reach them.
Images supplied for this guide illustrate the manta experience; they are not records of a specific wildlife sighting or dive date.
October to March: two different manta experiences, not one six-month peak
September–November | Kabira, northwest Ishigaki
The reefs around Manta Scramble and Manta City are known for manta cleaning stations. Autumn is a celebrated time to watch the rays circling over the reef. October can be particularly rewarding when conditions cooperate.
November–March | Kuroshima and the southern Yaeyama waters
As northerly winds make the Kabira coast less accessible, operators may search around Kuroshima and other southerly sites instead.
December–March | Surface-feeding mantas
Around Kuroshima and Panari (Aragusuku), plankton-feeding rays sometimes move close to the surface. These encounters are a distinctive reason to consider winter snorkeling.
Mantas can also be seen outside October–March. In fact, late spring through autumn is a major season for the Kabira area's manta sites. Think of October–March as a journey from autumn cleaning-station encounters to winter surface-feeding encounters—not a claim that every Ishigaki location peaks in the same months.
Autumn around Kabira: the giant compass below
At Manta Scramble and Manta City, reef cleaning stations attract visiting rays. When divers and snorkelers are fortunate, they can watch these extraordinary animals tracing wide arcs through the water. The sensation is almost impossible to convey until you see one moving in three dimensions.
These are boat-access sites, not a simple walk into the sea from Kabira Bay's beach. Typhoons, wind direction and waves can affect access even during an otherwise promising month.
Winter around Kuroshima: wings near the surface
In winter, some mantas feed on plankton near the surface in the waters around Kuroshima and Panari. From a snorkeler's point of view, the enormous wings may pass through the sunlit water just below. It is a different kind of encounter from watching mantas over a cleaning station.
Northern winds can make certain sites rough. Your operator decides where to go based on the day's sea state and safety conditions; a booking cannot guarantee a particular site or a manta sighting.
Snorkeling or scuba diving?
Snorkeling
Watch from the surface, looking down at the ray's elegant turns. No scuba certification is needed, but swimming ability, medical suitability, age restrictions and other operator rules still apply. Winter surface feeding can be especially memorable.
Discover Scuba Diving
Beginners without a certification may be able to join an introductory scuba experience if eligible. Training, medical screening and site choices depend on the operator and conditions. Seeing a manta is never guaranteed.
Certified Fun Diving
Licensed divers can experience the underwater perspective—the instant when a manta glides above like a vast aircraft. Experience requirements, currents and depth must suit the diver.
How to plan your manta day
1. Choose your travel window. Ask about Kabira in autumn and Kuroshima or other southern areas in winter; do not assume every departure visits the same site.
2. Choose snorkeling, introductory scuba or certified diving. Share your date, number of guests, ages, swimming confidence, certifications, any relevant medical information and hotel area.
3. Keep your itinerary flexible. Strong winds or waves can mean a different site, a rescheduled departure or a cancellation. Follow the operator's rules before flying after scuba diving.
4. Watch respectfully. Never touch, chase, crowd or block a manta's path. Give the animals room and follow your guide's instructions.
Frequently asked questions
Can I only see mantas from October to March?
No. Ishigaki's Kabira sites are also active in other seasons; winter often shifts attention south towards Kuroshima.
Can I snorkel with mantas in January or February?
Potentially, especially when feeding mantas come near the surface in the southern Yaeyama area. Wildlife and workable sea conditions are never guaranteed.
Do I need a scuba certification?
Not for an eligible snorkeling trip. Introductory scuba options may also be available to beginners; certified fun dives require a valid certification.
Should I take the public ferry to Kuroshima?
Typically not for a manta boat tour: the diving or snorkeling operator arranges departure from its designated meeting point or harbor.
Further reading
Plan Your Manta Trip｜Contact StarlitSeas
Planning to snorkel or dive with manta rays between October and March? Send us your preferred dates, group size and experience level. We can help check options with local operators.
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