This is a statue of a character from Jacques Tati's famous film. "Monsieur Hulot's holidays" was shot on this beach back in 1951.
More information at visit-saint-nazaire.com http://visit-saint-nazaire.com/page_n3/1/22/monsieur-hulot-and-20-beaches.html
Address 28 Rue du Commandant Charcot, Saint-Nazaire 44600, France
Coordinates 47°14'16.866" N -2°16'49.092" E