Sea spring bath "Shima no Yu"

Soak in hot water and melt into the ocean. The moment when your mind and body grow.

Top page> Sea spring bath "Shima no Yu"

【海泉浴島の湯】営業に関するお知らせ

工事実施に伴い、下記の期間中、一部営業を休止いたします。

< 工事期間 >
2026年6月10日(水)~7月16日(木) ※予定

< 営業時間 >
平日
10:00~17:30 営業休止
土曜日・日曜日
終日営業(内風呂のみご利用いただけます)

※ご宿泊のお客様につきましては、下記時間帯「内風呂のみ」ご利用いただけます。
夜:17:30~21:00|朝:6:30~ 7:30

ご利用のお客様へご迷惑をおかけいたしますが、ご理解賜りますようお願い申し上げます。

An open-air bath on the edge of the coastline, which was made possible because it is an island, where you can feel the roundness of the sea while soaking in the bathtub.
Hot water is made by boiling well water pumped from 40m underground on the coast, and while seawater slowly permeates the island, a large amount of minerals (sodium / magnesium / potassium / calcium, etc.) above seawater dissolves.

Bathing fee

grown up (Junior high school students and above): 900 yen
Little people (3 years old to elementary school students): 600 yen

* Asian Garden R-Asia admission fee is not included.
* Customers with tattoos and tattoos (including one point) are not allowed to take a bath.

* Face towel sale: 400 yen per sheet
* Bath towel rental: 300 yen per sheet

business hours

10:00 ~ 21:00(季節により変動有)

Regular holiday

Thursday (except year-end and New Year holidays, Golden Week, summer vacation)

Facility

Indoor bath + open-air bath (1 each for men and women), dressing room, locker

A great ticket that includes a round-trip boarding ticket and an admission ticket

Hot bath set ticket

(Round-trip boarding ticket + R-Asia entrance ticket + Shimanoyu entrance ticket)

Normal rate

Discounted rates

grown up

4,650円

JPY 3,900

child

2,550円

2,000 yen

Effect of sea spring bath

Promotion of metabolism

It is said that abundant minerals permeate through the skin due to high osmotic pressure, activate cells and promote metabolism.

Discharge of waste products

The osmotic pressure of minerals also has the effect of expelling waste products from the body.

Arrange the autonomic nerves

Magnesium, which is abundant in seawater, has the effect of adjusting the autonomic nerves.

Shima no Yu morning face and night face

Shima-no-Yu Morning Face and Night Face The morning and night Shima-no-Yu look different.
In the morning, the morning sun rises from the sea in front of the island's hot springs.
At night, you can see the path of light that the moon creates in the sea under the starry sky.

PICA point member system

Every time you use it, you can earn points and get accommodation discounts
You can make priority reservations!

PICA Hatsushima