List of [Hokkaido]s likely to let you in if you have a tattoo in Hakodate/Sauna

Sauna

Map of facilities in Sauna(Hakodate) environs of Hokkaido

List of facilities in Sauna(Hakodate) environs of Hokkaido

Narurazawa Machinery

Narurazawa Machinery

函館市宮前町16-1

Nishiki Onsen

Tattoo principle seems to be banned but it was fine if it was about one point.

函館市深堀町13-2