Marine Castle of Cubelas Monument · Cervo, Mariña Occidental, Lugo Despite the name it was not a fortress but an old salting factory beside San Cibrao; its remains recall the town that between the 14th and 15th centuries built caravels and salted fish on the Cantabrian coast. Photo: Lmbuga (CC BY-SA 4.0) What to see and do in Cervo