Santander, Spain offers 35 beaches perfect for sunbathing, surfing, swimming, and more. Santander is known for the Palacio de la Magdalena, Playa del Sardinero, and the Centro Botin. The best time to travel to Santander, Spain, is from June to September, when the average air temperature is around 20-25°C (68-77°F) and the water temperature is approximately 19-22°C (66-72°F). Sandee provides detailed maps, photos, and reviews from fellow beachgoers to help you Choose Your Beach™ and plan your perfect beach vacation!