Sashiki, Nanjo, Okinawa Prefecture
Enjin-no-Yu, Sashiki Natural Hot Spring
Best for visitors who want to know exactly how the spring is supplied and want to bathe in the source water as it emerges in southern Okinawa.
Check before bathing
- Opening hours
- Standard day admission is ¥2,050 plus ¥150 bathing tax (¥2,200 total). A no-towel plan is ¥1,850 plus ¥150 tax (¥2,000 total) and is available until 19:00.
- Tattoo policy
- Not permitted. The facility does not admit guests with tattoos, including tattoo stickers.
Spring & water temperature
- Spring-source temperature
- Not published in the current first-party pages reviewed.
- Bathing temperature
- Not published. The official page's “41 degrees for 10 minutes” is general information about heat exposure, not a fixed pool temperature.
- Spring source
- Fossil seawater rising naturally from geological layers about 1,500–2,119 m underground and blending as it emerges.
- Spring classification
- A formal chemical classification is not published on the current main official page.
- pH
- Not published in the current material summarized here.
- Flow rate
- Not published in the current material summarized here.
- Water handling
- The facility says the spring is used as it emerges, without filtration, heating or added water. This is explicitly described as source-flowing natural water.
Bathing indications
The facility lists general bathing indications such as neuralgia, muscle and joint pain, sensitivity to cold and fatigue. These are not treatment guarantees.
The facility says the spring is not filtered, heated or diluted and is used source-flowing. A temporary boiled-water operation during pump maintenance in May 2026 has ended and is not treated as the September operating status.
Guests with tattoos or tattoo stickers may not bathe. The facility's temporary boiled-water operation during pump maintenance in May 2026 had ended by the current September 2026 listing.
How to read a bath profile
Spring-source temperature and actual bathing temperature are kept separate. Each score is shown independently for comparison rather than collapsed into one overall score.
