87 Lakeshore Dr PO Box 536Arnolds Park, IA 51331 Phone: +1 712-332-5646Toll Free: +800-332-7236 Hotel E-mailHotel Website Commission Rooms Rates - 96 - Hoteliers! Is your information accurate? Update Here Fillenwarth Beach Resort Location & Neighborhood On waterfront, West Lake Okoboji. 100 MI from Sioux FallsNearest Cross Street: US Highway 71Hotel Location: Beach, Lake