Comunicación presentada en el International Congress on Science and Technology for the Conservation of Cultural Heritage (Research Advances for the Conservation of Cultural Heritage), celebrado en Santiago de Compostela del 2 al 5 de octubre de 2012.Unlike other European regions, dedicated approaches to coastal archaelogy and coastal heritage in Galicia (NW Spain) are not fully consolidated. The analysis of the human occupation of the coastal and marine environments has traditionally been done from strongly terrestrial perspective, failing to address a series of revelant issues inherently connected to them. Among thosem the question os coastline evolution and the implications it has for the preservation and management of coastal heritage wa...