The Spa at JW Marriott Hotel Seoul, known as Marquis Thermal Spa, is a distinguished wellness destination in Seocho-gu offering a comprehensive menu of over 30 treatments that draw on hot spring water, organic products, Korean traditional massage techniques, and Western botanical therapy. Housed within Korea's most celebrated hotel spa complex, the facility features 11 private treatment rooms and specializes in anti-aging facials, Swedish massage, hot stone therapy, and an indulgent all-day six-hour spa program. Guests can also enjoy steam rooms, saunas, jacuzzi facilities, and an indoor pool, while an adjoining Marquis Fitness Club — recognized as one of Korea's largest hotel fitness centers — offers Pilates, yoga, and group fitness classes, making this a complete urban wellness sanctuary in the heart of Seoul.