Shirahamakan
Several rooms carry their own garden or balcony open-air bath drawn from the inn's natural hot spring — in the Kainanso special room it pours straight from the source — a short stroll from Shirarahama beach.

Wakayama — 白浜温泉
9 stays with a private bath · On the Kii Peninsula coast in Wakayama — Shirarahama beach and the old Shirahama Onsen strip
Every property listed here has a private bath — a reservable private bath or an open-air bath in your own room — so tattoos are a non-issue, and so is privacy.
Wakayama · Getting there: On the Kii Peninsula coast in Wakayama — Shirarahama beach and the old Shirahama Onsen strip
Several rooms carry their own garden or balcony open-air bath drawn from the inn's natural hot spring — in the Kainanso special room it pours straight from the source — a short stroll from Shirarahama beach.
The bookable private bath pairs an indoor tub with its own small open-air bath in the hotel's gentle sodium bicarbonate spring water — reserve it at reception on the day.
Five reservable baths look straight down at the Pacific, and the premium rooms carry their own onsen view baths — big-resort scale with a private soak whenever you want one.
A hilltop cottage village whose spa runs on free-flowing natural spring water — and the bath can be booked privately by the hour.
The open-air-bath rooms pour free-flowing spring water a minute's walk from Shirarahama's white sand — soak facing the sea, then step straight out to the beach.
A newly built rental house two minutes from the sea, its bathroom fed by natural hot spring water — the whole house, and the onsen, to yourselves.
Each villa pairs a private pool and barrel sauna with its own free-flowing, 100% natural hot spring bath — dogs welcome, on a hill above the sea.
The lanai suites' open-air baths draw 100% natural water from the historic Gyoko source — a spring already named in Japan's oldest chronicles.
A small inn that owns its own source: the pot-shaped reservable bath is free for every guest, and the detached special room has its own free-flowing hinoki bath.
Prices are a guide from rates checked on Klook in November 2026 and change by date and room type — always confirm the live price on the booking page.