Adults-Only Accommodations Sierra de Meira - Hospedaje de Autogestión sin Recepción in Madrid offers an adults-only hotel experience. The property features private check-in and check-out services, full-day security, and express services. Comfortable Amenities Guests enjoy air-conditioning, private bathrooms with showers, and work desks. Additional amenities include hairdryers and shared bathrooms. Prime Location Located 2.1 mi from Puerta de Atocha and Almudena Grandes Train Station, 2.3 mi from El Retiro Park and Thyssen-Bornemisza Museum, and 3.7 mi from Plaza Mayor and Royal Palace. Adolfo Suarez Madrid-Barajas Airport is 7.5 mi away.