I love this little gem in the charming little resort of Etretat, with cliffs and a German coastal battery or two to visit.
http://www.hotellaresidenceetretat.comThis good place is in a nice little port, with great access to the beaches, and the museums at Arromanches and Bayeux (where you can also check out evidence of an invasion from the other direction).
http://www.lamaisondesbigorneaux.fr