Be careful ! there is no currency exchange possibility in Roscoff. The nearest exchange office is in Brest. Make arrangements before your trip. In Plymouth, there is an exchange office located at the Terminal Counter, opened from 09:15-14:00 Monday to Friday and 10:45 - 16:15 Saturday & Sunday and for all ferry arrivals and departures.
You have aboard the ferry "L'Armorique" an ATM for euros.
If you still have euros you would like to exchange for pounds-sterlings you may do it at the wine store "Wine Beer Supermarket" or onboard "L'Armorique"
There are also several ATMs in Roscoff :
- Caisse d'Epargne - 9 rue Gambetta 24/24
- Crédit Agricole - 32 rue Amiral Réveillère 24/24
- Crédit Mutuel de Bretagne - 10 rue Louis Pasteur 24/24