Costa Adeje, Spain offers 11 beaches perfect for sunbathing, surfing, swimming, and more. Costa Adeje is known for its luxury resorts, Siam Park, and Playa del Duque. The best time to travel to Costa Adeje, Spain, is from May to October, with average air temperatures around 75°F (24°C) and water temperatures around 72°F (22°C). Sandee provides detailed maps, photos, and reviews from fellow beachgoers to help you Choose Your Beach™ and plan your perfect beach vacation!