Okinawa prefecture has no famous hot spring. Still, Okinawa lets you relax in the water: you can swim in the sea at beautiful beaches or e.g. in the fresh pool at the bottom of Pinaisara waterfalls on Iriomote island! This is inner Japan 
USEFUL LINKS
- Hot springs on Inner Japan.
- Okinawa prefecture on Inner Japan.
- Iriomote island on Inner Japan.
USEFUL JAPANESE
- Hot spring = 温泉 (Onsen).
- Okinawa prefecture = 沖縄県 (Okinawa-ken), Iriomote island = 西表島 (Iriomote-jima).
- Pinaisara waterfalls = ピナイサーラの滝 (Pinaisara-no-taki).