Spacious Accommodations Centro XVI Costanilla de Santiago 6BR 6BH offers a spacious apartment in Madrid city center. The property features six bedrooms and six bathrooms, ensuring ample space for all guests. Modern Amenities Guests enjoy free WiFi, air-conditioning, a washing machine, and a fully equipped kitchen. Additional amenities include a TV, providing comfort and convenience throughout the stay. Prime Location Located a 1-minute walk from Mercado San Miguel and 656 feet from Plaza Mayor, the apartment is close to key attractions. The Royal Palace of Madrid is less than 0.6 mi away, while Gran Via is an 8-minute walk. Adolfo Suarez Madrid-Barajas Airport is 8.7 mi from the property.