Hotel Único Madrid, located in the upscale Salamanca district of Downtown Madrid, offers a luxurious wellness center for its guests. The center features a fully equipped fitness center, indoor pool, sauna, and a range of spa treatments. Guests can enjoy relaxing massages, facials, and body treatments, or participate in yoga and meditation classes. The hotel's stylish decor, attentive service, and prime location make it an excellent choice for a wellness retreat in Madrid.