Not many attractions in Cannes are free but there are still good places of interest that don't cost anything to see. For starters, public beaches in Cannes are usually free, including those located in the premium locations such as La Croisette, Plage Mace Beach is one of them. Similarly, the islands near Cannes, such as Sainte Marguerite Island and Saint Honorat, are free to visit but to get there, one requires a tour boat or a ferry.