Larky, there is plenty of good place to go around Normandy/ Bretagne. do not hesitate to drive a bit to "La Baie de Somme" for nature, Mont St-Michel, Avranche, Rennes for a crazy friday/saturday drinks, Vannes, St-Malo gorgeous place with (Rock festival, La route du Rock) in August, Etretat for the lovely Cliffs, Concarneau it's beautiful city. how you will have enough time.