Ok here is the good advice for the not very rich travelers, Hotel du Palais, not far from the Chateau de Versailles, and closer to the Cathedral of St.Luis, it is good to pass the night if you have no friends to stay in their flat like I did :-) 3 Stars
Cocktails and dinner at the Hotel Du Palais
Cocktails at the Bar Imperial of the Du Palais Having dinner at sunset at the outdoor restaurant of the Hotel Du Palais, L´Hippocampe, next to the pool and with a beautiful view of the beach.
Hotel Du Palais swimming pool
View of the Hotel Du Palais on La Grande Plage