Oak Creek, United States offers 2 beaches perfect for sunbathing, surfing, swimming, and more. Oak Creek is known for the Bender Park and the nearby Grant Park Beach along Lake Michigan. The best time to travel to Oak Creek, United States, is in late spring or early fall when the average air temperature is around 70°F (21°C) and water temperature is approximately 60°F (16°C). Sandee provides detailed maps, photos, and reviews from fellow beachgoers to help you Choose Your Beach™ and plan your perfect beach vacation!