book with serenity! The best price, exclusive advantages, only on our website, for a successful stay in Paris!By booking on our website, we guarantee you the best available rate, in complete safety.You will also benefit from exclusive advantages: price An additional reduction of €15 per night. plate Our breakfast buffet can be booked at a preferential rate of €11 instead of €13 , for all offers excluding breakfast. bottle 1/2 bottle of champagne Heidsieck Monopole offered per room for a reservation of 3 nights or more. cart Priority handling of your reservation by our teams.