The canton of Plestin-les-Grèves is an administrative division of the Côtes-d'Armor department, northwestern France.
Its borders were modified at the French canton reorganisation which came into effect in March 2015.
Its seat is in Plestin-les-Grèves.
[1] It consists of the following communes:[1]
This Côtes-d'Armor geographical article is a stub.