Gay sauna in taipei taiwan Soi 13 In, formerly known as Rainbow Sauna, stands out as Taipei's top gay sauna nestled in the Nakayama area. This vibrant venue boasts modern facilities such as a dark zone, jacuzzi, dry sauna, and steam sauna. Visitors can enjoy a lively atmosphere during happy hour from 18:30 to 19:30 and again from 23:00 to 24:30 with an enticing entrance fee for Taiwanese locals.