Calonge i Sant Antoni, Spain offers 4 beaches perfect for sunbathing, surfing, swimming, and more. Calonge i Sant Antoni is known for its beautiful beaches and the medieval Castle of Calonge. The best time to travel to Calonge i Sant Antoni, Spain, is from June to September, when the average air temperature is around 25°C (77°F) and the water temperature is approximately 22°C (72°F). Sandee provides detailed maps, photos, and reviews from fellow beachgoers to help you Choose Your Beach™ and plan your perfect beach vacation!