Follow the A8 to Santander. Once in the town centre follow the signs marked Puerto, not Ferry.
Ferry operators at Santander
Brittany Ferries ( Crossing to Plymouth and Portsmouth )
Port Area Access Hours
For Driver Accompanied Vehicles:
Departure days from 0600hrs onwards.
Unaccompanied Vehicles – Pick up/drop off (Solway Docks):
Monday through to Friday from 0800hrs to 1930hrs
Saturdays – NO ACCESS
Sundays from 0900hrs to 1400hrs
Drivers who are unable to access the port should use the secure facilities at Ciudad del Transportista, located just outside the port.