
SO/ SPA at SO/ Bangkok is a design-forward hotel spa located on the 11th floor of SO/ Bangkok, overlooking the lush Lumpini Park and the hotel's signature infinity pool. Inspired by Asian folklore and the mythical Himmapan forest, the spa fuses ancient healing traditions with contemporary skincare, offering private treatment rooms — including an exclusive couples suite with park views — equipped with experience showers and a steam and sauna area. The treatment menu features aromatherapy and Thai massage, deep tissue massage, hot oil therapy, customised body scrubs and wraps, and curated facial treatments, using world-class products from Skin Regiment, Comfort Zone, and Aromatherapy Associates. Day passes provide access to the gym, fitness classes, steam, sauna, and the hotel's infinity pool, making SO/ SPA a vibrant urban wellness experience in the heart of Bangkok.