The St. Regis Spa Chicago is Chicago's only Forbes Travel Guide Five-Star rated spa, occupying 12,000 square feet on the 10th floor of The St. Regis Chicago in the city's Loop neighborhood. The spa offers an extensive range of treatments, including revitalizing massages, rejuvenating facials, and invigorating body scrubs, with signature collections such as Caroline's Collection featuring full-body scrubs, aromatherapy massages, and Sothys facials. The adjacent Athletic Club features a heated indoor pool, outdoor sundeck, yoga studio, steam room, dry sauna, and three fitness studios offering group classes ranging from sound meditation and yoga to pilates and barre. With spectacular skyline views and a commitment to holistic well-being, this flagship spa sets a high standard for luxury wellness in Chicago.