Platja de L'arenal, Spain offers 1 beach perfect for sunbathing, surfing, swimming, and more. Platja de L'Arenal, Valencia, Spain, is known for its beautiful sandy beaches and vibrant seaside atmosphere. The best time to travel to Platja de L'arenal, Spain, is from June to September, when the average air temperature is around 75-85°F (24-29°C) and the water temperature is approximately 72-77°F (22-25°C). Sandee provides detailed maps, photos, and reviews from fellow beachgoers to help you Choose Your Beach™ and plan your perfect beach vacation!