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Ishigaki Spa Resort

Ishigaki, Okinawa, Japan
Ishigaki Spa Resort
Location
Ishigaki, Okinawa, Japan
Water type
silica
Temperature
42 °C
pH
7.2

Water profile

Thermicity
Sedative
42 °C
LowHigh

Relaxing — deep, immediate muscle release.

Mineralisation
Balancing
LowHigh

Rich in trace elements — gentle on the skin.

Buoyancy
Standard buoyancy
LowHigh

Soft water — natural, classic buoyancy.

SiliceSodiumBicarbonates

Ishigaki Spa Resort is located in Ishigaki City, Okinawa Prefecture, the administrative center of the Yaeyama Islands — Japan's southernmost inhabited island group, whose latitude places them closer to Taiwan than to Tokyo and whose coral reef ecosystem includes some of the most biodiverse and pristine marine environments in the entire Pacific Ocean, designated as part of the Iriomote-Ishigaki National Park. The siliceous thermal waters here complement an island city that serves as the gateway to Iriomote Island — Japan's last great wilderness, covered in subtropical jungle, mangrove forests, and home to the endangered Iriomote wildcat — and the extraordinary snorkeling and diving of the Yaeyama coral reef system, one of the world's most ecologically significant marine environments. Bathing at Ishigaki Spa Resort provides restorative mineral spring wellness at Japan's subtropical frontier, where the therapeutic siliceous waters complement the island's extraordinary marine and jungle biodiversity in one of Japan's most biologically and geographically distinctive island group destinations.

Insider tip — Ishigaki Island anchors Japan's southwestern Yaeyama archipelago, where resort spas use silica-bearing hot water tapped from sub-surface limestone beneath the coral reef platform. The surrounding turquoise waters of the Yaeyama lagoon and the jagged peaks of Mount Omoto create a dramatic tropical backdrop. Outdoor baths here feel genuinely exotic, a world removed from mainland Japan's onsen traditions.
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Frequently asked questions

How hot is the water?
The water runs quite hot here, around 42 °C — a sedative water that brings immediate muscle release.
What type of water is found here?
This spot features silica water.
What is the best season to visit?
The most favourable period for this spot is: Toute l'année.