Whether you've come to worship or learn about the building's history, Ermita de la Virgen del Mar is an interesting site to visit. Check to see if this sacred place is publicly accessible to experience the peace it offers inside.
This house of prayer is located in San Roman de la Llanilla. Once you've done all you can at Ermita de la Virgen del Mar, have a look at nearby Palacio de la Magdalena, Santander Cathedral, and Gran Casino del Sardinero.