The canton of Marensin Sud is an administrative division of the Landes department, southwestern France. It was created at the French canton reorganisation which came into effect in March 2015. Its seat is in Soustons. It consists of the following communes: Angresse Azur Magescq Messanges Moliets-et-Maa Saint-Geours-de-Maremne Saubusse Seignosse Soorts-Hossegor Soustons Tosse Vieux-Boucau-les-Bains References Cantons of Landes (department)