Garmin Lakemaster G2 Digital Charts - $55.88

Digital SD cards pre-loaded with highly detailed shoreline data and up to 1-ft. depth contour maps for each regional product. Displays rivers, streams, creeks as well as islands, reefs, points, bays, inlets, access points, boat ramps and vegetation. Available: Dakotas, Iowa/Illinois, Lake of the Woods, Michigan, Minnesota, Wisconsin. - $55.88