El Cascajo, Ecuador offers 1 beach perfect for sunbathing, surfing, swimming, and more. El Cascajo, Galapagos, Ecuador, is known for its proximity to the Charles Darwin Research Station and the Galapagos National Park. The best time to travel to El Cascajo, Ecuador, is from June to September, with average air temperatures around 70-80°F (21-27°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!