Nikoh Refre is a men-only 24-hour sauna and capsule hotel in Susukino. Its Rocky Sauna is a dry room at about 80 °C seating around 30, there is a germanium mist sauna, and the Binchotan charcoal cold bath is held at 16 °C. Staff heat-wave masters perform löyly 13 times a day, 14 on weekends. A five-hour member visit costs ¥1,900 on weekday daytimes; tattoos are refused. The baths close 4:00–5:00 AM for cleaning.