Playa de Cuevas del Mar, Spain offers 1 beach perfect for sunbathing, surfing, swimming, and more. Playa de Cuevas del Mar is known for its unique rock formations and picturesque beach setting in Asturias, Spain. The best time to travel to Playa de Cuevas del Mar, Spain, is from June to September, with average air temperatures around 75°F (24°C) and water temperatures around 68°F (20°C). Sandee provides detailed maps, photos, and reviews from fellow beachgoers to help you Choose Your Beach™ and plan your perfect beach vacation!