Towering over the coast on Castillo Hill, the Cerro Castillo Palace (Palacio Presidencial de Cerro Castillo) is one of the most significant architectural gems of Viña del Mar. This magnificent historical and architectural monument, built in a Neoclassical style with refined French influence, serves as the official summer residence of the presidents of Chile. The building is striking in its scale and luxury: spanning over 4,000 square meters, it houses halls decorated in Louis XV and Louis XVI styles.

Since its opening, the palace has become a symbol of prestige and elegance, turning a once quiet corner into a center of attraction for the country's political and social elite. In 1976, the site was designated a historical heritage monument, confirming its exceptional value to national culture. For tourists, it is interesting not only for its political role but also as an outstanding example of early 20th-century architecture that preserves the spirit of the "Belle Époque."
Beyond the building itself, the grounds are equally captivating. The palace is surrounded by magnificent gardens that emphasize Viña del Mar's status as a “garden city.” Panoramic views of the Pacific Ocean from the residence's grounds make it a must-visit for anyone wanting to experience the atmosphere of the Chilean coast.