Get the world's No. 1 choice in marine mapping — with the best, most up-to-date Navionics+ cartography on your compatible chartplotter. For offshore or inland waters, this all-in-one solution offers detail-rich integrated mapping of coastal waters, lakes, rivers and more. Get SonarChart 1' (0.5 meter) HD bathymetry maps, advanced features such as dock-to-dock route guidance technology, live mapping and Plotter Sync to provide wireless access to daily updates. The Navionics Chart Installer software also ensures the freshest chart data every time out. Navionics route guidance solutions give you a suggested path to follow through channels, inlets, marina entrances and more. Multiple shading options aid in shallow water navigation and make it easy to highlight a target depth range for the best fishing spots.