A few useful links:

www.manche-tourism.com
www.normandie-tourisme.fr
www.normandy-tourism.org
www.normandiememoire.com
www.ville-barfleur.fr
www.monuments-nationaux.fr
www.cheminsdelabaie.com
www.decouvertebaie.com/
www.ot-cherbourg-cotentin.fr
www.brittanyferries.com
www.saint-vaast-reville.com
www.cherbourg-hague-nautisme.com
www.calvados-tourisme.com
www.cnbsv.org/location/index.php
www.fortified-places.com
www.flybe.com

For information on tide times, visit:
www.horaire-maree.fr