Saint-Jean-de-Luz Known as Donibane Lohizune in Basque, is a charming, lively, sophisticated, but extremely busy in summer, tuna, sardine and anchovy fishing port with 5 sandy beaches, turned tourist draw. Take a walk atop the seawall on the Promenade Jacques Thibault. Survey the sardine boats moored in the small, protected harbor, or stroll along the…