Get a dose of vitamin D at Plage de Madoreau. Once you've topped up your tan, hang around and watch the sky change color with the setting sun.
You'll find this stretch of coastline in Jard-sur-Mer. Once you've seen all you can at Plage de Madoreau, head to nearby Port Bourgenay Golf, Aquarium Le 7eme Continent, and Château des Aventuriers.