Pull into the Sea of Cortez on Carnival cruises to La Paz, Mexico. The breezy capital of Baja California Sur sits on a peaceful bay of rocky islands and secluded sandy beaches. Just below the surface, spirited sea lions and gentle whale sharks swim alongside adventurous snorkelers. Discover the vibrant underwater life of what author Jacques Cousteau once labeled the “world’s aquarium” when you visit La Paz on your cruise to Mexico.