Former church of San Cosme de Barreiros Monument · Barreiros, Mariña Oriental, Lugo Image of Barreiros, not of the place itself. A work of the seventeenth and eighteenth centuries set beside the sea in the middle of a broad atrium, with a single nave, transept, main chapel and two sacristies; it preserves a Baroque main altarpiece from the second half of the eighteenth century. Photo: Vanbasten 23 (CC BY-SA 3.0) What to see and do in Barreiros