Store Locator Garnavillo Mni Mart609 S Main StreetGarnavillo, IA 52049 Contact Phone: 563-964-2356 Get Directions Amenities Convenience Store 24 Hour Pumps Fuel Types Gasoline Diesel Fuel Prices Regular $3.29 as of 4/30/2024 5:24:25 PM Diesel $3.70 as of 5/1/2024 11:01:51 AM Accepted Payments American Express Discover FAST STOP Cards Gift Card Mastercard Visa Voyager Wright Express