Isla Vista, United States offers 9 beaches perfect for sunbathing, surfing, swimming, and more. Isla Vista is known for its vibrant college community and proximity to the University of California, Santa Barbara. The best time to travel to Isla Vista, United States, is from June to September, with average air temperatures around 70-75°F and water temperatures around 65-70°F. Sandee provides detailed maps, photos, and reviews from fellow beachgoers to help you Choose Your Beach™ and plan your perfect beach vacation!