Click Here To BOOK NOW Nauti Boat Rentals LLC. is located in McGregor, Iowa, across the Mississippi River from Prairie du Chien, Wisconsin, in the heart of the Upper Mississippi River bluff country. In this area one can find a combination of scenery and history unsurpassed anywhere in the Midwest. If you're looking for a different type of fun on the scenic Upper Mississippi, then Nauti Boat Rentals has what you need!