UMI SPA is a massage spa in Renton, Washington, offering massage services seven days a week from 9:30 AM to 10:00 PM at 4500 NE Sunset Blvd A, with a wheelchair accessible parking lot for easy access. Clients come for relaxation and stress relief, and reviewers frequently praise the skilled therapists, noting that a 90-minute massage with the right pressure helped ease shoulder and lower back pain after a long flight, and that sore muscles were thoroughly worked out. The spa focuses on attentive communication and a calm environment where guests can rejuvenate and rebalance. For an appointment, call (206) 797-8958 to plan your visit to UMI SPA.