


A they is a sandy formation modeled by the sea and the river. Around the Port-Saint-Louis-du-Rhone, the theys have gradually become interconnected. They are called ships or captains. The They du Mazet, acquired by the Conservatoire du littoral since 1980 is a feeding, resting and breeding area for many birds and an abundant and original flora. They of the Gracieuse mark the entrance of the Cove of Carteau and that of Roustan leads to the Napoleon beach..