La Tremblade, Marennes (50 minutes)
Discover the Marennes Oléron oysters, very famous in France. Visit Marennes where are farmed oysters, with lots of colorful small houses.
Then, go to La Tremblade, also a grat place of oysters farming, feel the iodized air ;) Lots of small typical restaurants.
Do not forget to come back by Mornac sur Seudre, classed as «one the most beautiful villages in France» in a labyrith of canals (look at the photo !)