Aoshima Fishermen's Beachside Hostel & Spa Shinwa-no-Yu – Illustrative onsen mood image
Illustrative image — not a photo of this facility

Miyazaki · Aoshima Onsen

Aoshima Fishermen's Beachside Hostel & Spa Shinwa-no-Yu

青島フィッシャーマンズビーチサイドホステル&スパ 神話の湯

An alkaline simple sulfur cold mineral spring at pH 9.4. Free-flowing open-air bath, cold plunge from the source, sauna and private baths for ¥700, open 6:00 to 22:00.

Price (adult)¥700
Hours6:00–22:00 (last entry 21:30)
ClosedIrregular (maintenance days, check ahead)
TattoosNot allowed

Essentials

Price (adult)
¥700
Hours
6:00–22:00 (last entry 21:30)
Closed
Irregular (maintenance days, check ahead)
Access
Aoshima, Miyazaki (Aoshima onsen area), close to Aoshima Shrine
Water type
Sulfur spring
Tattoos
Not allowed
Spring
An alkaline simple sulfur cold mineral spring (hypotonic, alkaline), pH 9.4, with a silky feel on the skin.
Admission
¥700 for ages 13 and over, ¥450 for ages 6–12, free under 6. The ticket is valid all day for repeat entries; private baths are ¥1,800 per hour by reservation.
Notes
Guests with tattoos cannot bathe, and infants still in nappies are asked not to use the baths. There is no fixed weekly closing day, but the whole facility closes for about three days a year for inspection, announced on the site once set.
Phone
0985-77-5525
Official site
aoshima-hostel.com ↗
Open in Google Maps
Google Maps ↗

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Why go

  • Silky beauty spring at pH 9.4
  • Free-flowing rotenburo and cold plunge
  • Two private baths (by reservation)

Sea breezes and a pH 9.4 beauty spring at Aoshima

Shinwa-no-Yu is the bath of a hostel and spa close to Aoshima's shore, and day visitors are welcome. The water is an alkaline simple sulfur cold mineral spring at a high pH 9.4, called a beauty spring for its silky feel. Besides the great bath there are a free-flowing open-air bath, a cold plunge drawn straight from the source, a dry sauna and two private baths. A large painting of Mount Fuji by a Miyazaki artist covers the great-bath wall, to be viewed from the water.

Hours and tips

Open from 6:00 in the morning to 22:00 at night, with last entry at 21:30. Since the ticket is valid all day, you can bathe in the morning, walk to Aoshima Shrine and the shore, and return in the evening. Private baths stop at 20:00 and need booking, so reserve early if you want one. Note only that guests with tattoos cannot bathe.

Before you go

  • Tattoos are explicitly not allowed, even if covered.
  • Payment is usually by ticket machine in cash — bring coins.
  • Last entry is 30–60 minutes before closing.

Features

Sauna & wellness

Rules & private

Amenities

LockersSaunaPrivate bathRest area

✔ Verified operating: 2026-10 Operating status and rates cross-checked against the official site and onsen guides (full source notes in Japanese on the JA page)

Prices and hours change. Check official sources before visiting.

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