Castaic, United States offers 1 beach perfect for sunbathing, surfing, swimming, and more. Castaic, California, United States, is known for Castaic Lake, a popular destination for boating, fishing, and outdoor recreation. The best time to travel to Castaic, United States, is during late spring or early fall when the average air temperature is around 75°F (24°C) and the water temperature in Castaic Lake is approximately 70°F (21°C). Sandee provides detailed maps, photos, and reviews from fellow beachgoers to help you Choose Your Beach™ and plan your perfect beach vacation!
