Lowrance C-Map Discover North America Map Software - The perfect mapping solution for cruisers, anglers and sailors looking for accurate, quality data and ultra-wide coverage from the market-leader. Cruising, fishing or sailing, C-Map Discover charts offer ultra-wide coverage and include all of the core features you need to make the most of your time on the water. Ultra-Wide Coverage - the largest geographical coverage, without compromising on chart quality. High-Res Bathy - helps you identify shallow areas, drop-offs, ledges, holes or humps. Now includes compiled and quality-controlled Genesis detail as part of singular HRB layer. Full Featured Vector Charts - making navigation easy by giving you accurate, up-to-date vector chart detail derive from official Hydrographic Office information. Custom Depth Shading - set a clear safety depth, maintain a paper-like view or create your own custom shading. Easy Routing - helps you automatically plot the shortest, safest route based on detailed chart data and your personalized vessel information. No subscription required. Tides & Currents - shows projections of water level and direction of tides to help plan your day out, cruising, angling or sailing. Detailed Marina Port Plans - docking in an unfamiliar port is no problem when you have precise layouts of thousands of marinas, including slip spaces, restricted areas and other valuable navigation information.