Island of Re Grey Sea Salt has a unique flavor, briny taste, and high mineral content. On the historic island of Re on the Atlantic coast of France, naturally intense and flavorful salt has been hand-harvested from the bottom of the clay salt bays since the seventh century. These sea salts taste like the sea they came from and contain iron, magnesium, calcium, potassium, manganese, zinc, and iodine. Due to their superior flavor and health benefits, these sea salts are favored by culinary professionals. Recommended as a finishing salt.