Masa-no-yu is a small sento in Minami-cho, about five minutes' walk from JR Kawasaki Station, whose most popular bath is a medicinal bath of cold mineral spring water warmed to bathing temperature. A modest dry sauna and a cold bath sit alongside an ultrasonic bath, and there are washing machines and dryers in the changing room. Entry ¥570 plus ¥200 for the sauna. Open 14:00–24:00; closed on the 6th, 16th and 26th.