Designed by Monaco architects Humbert & Poyet, the Grand Hôtel’s new “Hyde Beach” in Cannes offers elegant decor in perfect harmony with the azure blue of the Mediterranean. Chefs Hervé Busson and David Robert propose a lunchtime and evening menu with a Sicilian accent, giving priority to the bounty of the sea, including tuna in several variations. Hyde Beach, 45 boulevard de la Croisette, Cannes (04 93 38 19 57).