A nineteenth-century palace on Calle Claudio Coello gives Hotel Único Madrid a secluded base within the Salamanca district. The 44 rooms and suites retain high ceilings and generous windows, using a restrained contemporary palette rather than overt period decoration; outlooks vary between the street and the hotel’s private garden. El Patio de Claudio brings dining beside that garden. The English Bar and library provide quieter indoor spaces. The Wellness Suite uses Natura Bissé treatments and sits alongside a gym. Serrano and Ortega y Gasset are close, but the garden provides the property’s strongest contrast to the surrounding boutiques and city streets.