Port Guillaume, Dives sur Mer is on the Normandy coast between Caen and Le Havre.
Detailed directions will be sent on confirmation of booking, but Port Guillaume has easy access from all ferry ports:
Caen (Ouistreham) ½ hour
Le Havre ½ hour
Dieppe 1 hour
Calais 2½ hours
Cherbourg 1½ hours