Mulkeytown, United States offers 1 beach perfect for sunbathing, surfing, swimming, and more. Mulkeytown, Illinois, United States, is not widely known for specific tourist attractions or proper nouns. The best time to travel to Mulkeytown, United States, is in late spring (May), when the average air temperature is around 70°F (21°C) and water temperature in nearby lakes is approximately 65°F (18°C). Sandee provides detailed maps, photos, and reviews from fellow beachgoers to help you Choose Your Beach™ and plan your perfect beach vacation!