The station was opened on 23 July 1882, and is located 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.

[1] When the Compagnie du Chemin de fer de Paris à Orléans opened the Aurey-Quiberon railway on 24 July 1882, trains didn't stop at Penthièvre.

[2] In 2018, SNCF estimated the 970 passengers passed through the station.

This article about a railway station in the Brittany région of France is a stub.