Tattoo policy at KOYA.lab Ryounso Unkai Sauna
Whether this applies to the communal bath or only a private bath is not stated. Ask when booking.
共同浴場か貸切のみかは施設ごとに要確認
How solid is this?
C
Specialist directory — Listed as tattoo-friendly by a specialist directory, without the facility itself being quoted.
Not yet confirmed by us. Compiled 2026-09-04 from the public sources on this page; we are contacting facilities one at a time in Japanese, and this page will say so when it is done.