1. J & L Marine 903 S Highway 52, Guttenberg, IA 52052 Coordinate: 42.77636,-91.10008 Phone: (563) 252-2020
2. Guttenberg Powersports & Marine 31738 Highway 52, Guttenberg, IA 52052 Coordinate: 42.76413,-91.09792 Phone: (563) 252-2628