Upvote:6
If you use P&O Ferries: (Calais - Dover)
Commission-free foreign exchange is available to all passengers from the bureau de change and ATM machines are located throughout the vessel.
DFDS: (Dover - Dunkirk) & (Calais - Dover)
Is there an ATM onboard? We don't have an ATM onboard. You can pay by card, please see the payment types available.
Irish Ferries: (Calais - Dover)
Both Irish ferries and Stena line terminals have ATM's but it might be an idea to just change some £ Sterling at a UK post office or M&S store.