The main passenger ports of France are on the north coast, at the towns of Saint Malo,Roscoff, Cherbourg, Caen, Le Havre, Dieppe, Boulogne, Calais and Dunkerque.
P&O Ferries website
Brittany Ferries website
DFDS Seaways website
Stena Line website
Channel Tunnel- Euro Tunnel website
French Transport Advice website