EGLISE SAINT MARTIN DE VERTOU L'ILE-D'OLONNE ***Be carefull : The church is in renovation works, no access to the public.
L'EGLISE DE SAINT-SAUVEUR L'ILE-D'YEU This Romanesque church, built of grey granite and overlooking St-Sauveur, the island's former capital, is one of the many religiou