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Asahi Seabed Hot Spring

朝日溫泉

70°Cseabedsodium-chloride

4.2 · 5157 reviews · via Google

53–70°CWater temp
7.5pH
NT$250 (~$8)Entry fee
MixedBathing type
Check hoursLocal statusMo-Su 06:00-24:00
Opening hours

Asahi Seabed Hot Spring

seabed · Taitung

Temperature53–70°C
30°50°70°90°+

Hotter than 84% of Taiwan springs (n=25).

pH level7.5 — Neutral
Acidic 147 Neutral1014

More acidic than 32% of Taiwan springs (n=25).

Mineral profile

SeabedPrimary component
Sodium ChlorideSecondary component

Bar width reflects listing order, not measured concentration.

Suitability

Tattoo policy
Allowed
Children
Allowed
Altitude
5m

At a glance

Getting there

Remote — over 5km from the nearest station

Cost

Low

Crowd level

Popular

About this spring

Asahi is an extremely rare seabed saltwater hot spring, one of only a handful in the world, located on the coral reef shoreline of volcanic Green Island. It features open-air concrete rings built right where the hot coral water bubbles up, allowing bathers to hear the crashing Pacific waves. The water is heavily mineralized, clear, and distinctly salty.

Highlights

Extremely rare marine seabed springPanoramic open Pacific viewsSpectacular sunrise soaking

History

The indigenous Tao and Amis peoples who sailed these waters were well aware of the warm seeps along the Green Island coral reefs.

During the Japanese colonial era, the island was used as an isolated outpost, and in 1920, the colonial authorities officially cleared the site and built basic stone structures around the reef vents, naming it Asahi, meaning rising sun, for its clear view of the eastern horizon. In the late twentieth century, the national scenic area administration fully modernized the complex into a world class marine spa.

Local guide

The journey to Asahi, also known as Zhaori, is an unforgettable expedition that begins with taking a fifty minute ferry or a tiny prop plane from Taitung to Green Island, a rugged volcanic outpost out in the Pacific Ocean. Once on the island, the best way to get around is by renting a scooter and riding along the spectacular coastal highway, where dramatic black volcanic cliffs meet the deep blue ocean. Asahi sits on the southeastern tip of the island, right on a rocky coral reef exposed to the crashing waves of the Pacific. It is one of only three true seabed saltwater hot springs in the entire world. The atmosphere is raw, windy, and grand. The facility features three circular outdoor concrete pools built right into the coral reef flats, along with a modern indoor spa complex. Entry costs around two hundred and fifty TWD. This is a public coed facility, so a swimsuit and swim cap are strictly required. Tattoos are fully accepted due to the outdoor, open air public nature of the park. The water is drawn directly from the subterranean volcanic rock, it is clear but intensely salty, carrying a strong marine mineral scent and a slightly bitter taste. The temperature fluctuates with the tide but is generally maintained around forty degrees Celsius in the main pools. You must bring a towel, sandals for the sharp coral rock, and secure sun protection. The ultimate local experience is arriving at four thirty in the morning during the summer to soak in the reef pools while watching the sun rise directly out of the Pacific Ocean. After your sunrise bath, walk to the adjacent geothermal cooking troughs to boil a basket of fresh eggs in the salty volcanic water.

Mineral chemistry

GreenMineral scentSlippery

Water character inferred from mineral type — verify on site.

Sodium Chloride (Salt)
Benefits

Sodium chloride springs, essentially natural saltwater baths, are celebrated for their warming and moisturising effects. The salt forms a thin film on the skin that slows moisture evaporation, keeping skin hydrated longer than a freshwater bath.

Note

Those with high blood pressure or heart conditions should consult a doctor before bathing, as the warming effect increases circulation. Avoid immersing open wounds.

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Amenities

Towel rental
Locker / Cottage rental
Restaurant
Cafe
Parking
Wheelchair accessible
English spoken
Tattoo friendly
Private bath available
Soap provided
Hair dryer

Getting there

From Taitung

Gateway: Green Island Ferry Terminal

Ferry from Fugang Harbor to Green Island, then scooter along the coastal ring road

Total journey: 80 min

Take a ferry or a small propeller plane from Taitung to Green Island, then rent a scooter and ride along the southern coastal ring road.

Location & nearby

No. 167, Chuanwan, Green Island Township, Taitung County

Green Island Ferry Terminal · 6.5 km
Green Island Airport · 7.2 km

Make a day of it

Pair your soak with these nearby spots.

Attraction

Sailboat Cape

0.3km away

Attraction

Sailboat Cape

0.4km away

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Green Island Chaojih Hot Spring

0.4km away

Attraction

Underwater Church

1.4km away

Attraction

Viewing Platform

1.5km away

Attraction

Lobster Cave

1.6km away

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Common questions

What is the water temperature at Asahi Seabed Hot Spring?▾

The water temperature at Asahi Seabed Hot Spring ranges up to 70°C (minimum around 53°C).

Is Asahi Seabed Hot Spring free to visit?▾

Asahi Seabed Hot Spring charges an entrance fee in TWD.

Is Asahi Seabed Hot Spring a public or private bath?▾

Asahi Seabed Hot Spring is a mixed bathing spring.

Are tattoos allowed at Asahi Seabed Hot Spring?▾

Yes, Asahi Seabed Hot Spring welcomes visitors with tattoos.

What is the nearest station to Asahi Seabed Hot Spring?▾

The nearest station to Asahi Seabed Hot Spring is Green Island Ferry Terminal, about 6.5km away.

Listing last edited: 2026-06-20