You want to bring back a little souvenir from France ? Wine is definitely one tasty option ! In Roscoff et Saint-Pol-de-Leon, several supermarkets are specialized in the sale of wine, in small and large quantities.
Wine centre : Impasse de Bonne Nouvelle (next to the roundabout), 02 98 19 31 19
Wine Beer Supermarket : Keravel, D58, 02 98 61 15 87 ( look out for the red bus on the car park)
La route des vins : Quai d'Auxerre, 02 98 72 29 18 (near the lighthouse)
Les vins du Léon : 17 Place Alfred de Guébriant (close the cathedral)