East Chicago, United States offers 3 beaches perfect for sunbathing, surfing, swimming, and more. East Chicago is known for the Ameristar Casino Hotel and the nearby Indiana Dunes National Park. The best time to travel to East Chicago is from June to August, with average air temperatures around 70-80°F and Lake Michigan water temperatures ranging from 60-70°F. Sandee provides detailed maps, photos, and reviews from fellow beachgoers to help you Choose Your Beach™ and plan your perfect beach vacation!