Mazagon, Spain offers 1 beach perfect for sunbathing, surfing, swimming, and more. Mazagon, Andalusia, Spain, is known for the Doñana National Park and its beautiful beaches. The best time to travel to Mazagon, Spain, is from May to September, when the average air temperature is around 75°F (24°C) and the water temperature is approximately 70°F (21°C). Sandee provides detailed maps, photos, and reviews from fellow beachgoers to help you Choose Your Beach™ and plan your perfect beach vacation!