Beach of San Bartolo Nature · Barreiros, Mariña Oriental, Lugo Image of Barreiros, not of the place itself. A beach on the Barreiros shoreline, within the succession of beaches that runs from Altar to Lóngara; the municipality's coast adds up to some eight kilometres of cliffs and another four already inside the Foz estuary. Photo: Jose Luis Cernadas Iglesias from Coruña, España (CC BY 2.0) What to see and do in Barreiros