Cross Channel Ferry Operators: (click link to go to site and click browser 'back button' to return)
http://ww2.poferries.com
http://www.hoverspeed.com/
http://www.brittany-ferries.co.uk/
http://www.seafrance.com/en/sailing_schedule/index.php
http://www.norfolkline.com

Tunnel: (click link to go to site and click browser 'back button' to return)
http://www.eurotunnel.com