Les Sables-Blancs halt is a railway halt situated at the entrance to the Quiberon peninsula in the commune of Plouharnel, Morbihan department of Brittany, France. The halt is located at kilometric point (KP) 601.710 on the Auray–Quiberon railway. The station is served seasonally during summer months only by TER Bretagne services operated by the SNCF, between Auray and Quiberon.