TOTOPA is a sauna spa inside Meiji Park in Kasumigaoka-machi, Shinjuku, with separate floors for women (2F) and men (3F). The men's floor has three saunas, two with auto-löyly, plus a deep cold tub and an open-air lounge; the women's floor has a fragrant-wood sauna and a herbal steam room. Guests bathe unclothed, and swimsuits are not allowed. Priced by time from ¥2,178 for an hour on weekdays; open daily 11:00–23:00 with no regular closing day; tattoos welcome; cashless.