This adjoins the collegiate church of San Juan Bautista.
It is an 18th century Baroque palace and was built on the remains of a medieval tower by order of the Marquis of San Esteban del Mar del Natahoyo. It is currently one of the most symbolic buildings of the city of Gijón. Inside, is the International Art Centre.
- 18th century
Only the exterior of the monument can be visited.