You could go a little further south to St Palais sur Mer where there is a lovely ACSI site right opposite the sea with spectacular views from the coastal footpath that leads into town, lovely coastal cycle tracks from outside the site, splendid beaches, a lovely zoo (more a wildlife sanctuary) and the Ile d'Oléron a simple car journey away.
Fabulous place! We used ACSI 1682 Les Puits de l'Auture (twice) as did the Frantones and the Randas.
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Have a look here: Calderlogue 2014