It is in the Aiguillon bay, but also around Fouras and the fortified town of Brouage, that these famous mussels are farmed.
Visitor attractions: the Museum of Mussel Farming at the House of the Poitevin Marsh Bay (Maison de la Baie du Marais Poitevin) in Esnandes, about the history and cultivation of mussels in the Aiguillon Bay.