Study the collections at Escal'Atlantic, Saint Nazaire Submarine Base, or Ecomuseum of Saint-Nazaire. Sainte-Marguerite Beach, Ocean Beach, and Saint-Brevin-les-Pins Beach are great spots if you want to spend some time by the water during your stay. You'll have countless hours of family fun at Carrousel de l'Ocean, Tiers Paysage Garden, and Mindin Maritime Museum.