El Arenal, Ecuador offers 10 beaches perfect for sunbathing, surfing, swimming, and more. El Arenal is known for its proximity to the vibrant city of Guayaquil and the nearby attractions of the Guayas River and the Malecon 2000. The best time to travel to El Arenal, Ecuador, is from June to September, with average air temperatures around 70°F (21°C) and water temperatures near 75°F (24°C). Sandee provides detailed maps, photos, and reviews from fellow beachgoers to help you Choose Your Beach™ and plan your perfect beach vacation!