Whether cruising, fishing or sailing, C-MAP® DISCOVER™ offers a choice of coverages and includes all of the core features you need to make the most of your time on the water. DISCOVER has the very best of C-MAP High-Res Bathymetry, including integrated Genesis® data, along with full-featured Vector Charts, Custom Depth Shading, Tides & Currents and subscription-free Easy Routing™. Purchase includes 12 months of free online updates. Compatible with Lowrance, Simrad & B&G Chartplotters.

Full-Featured Vector Charts – making navigation easy by giving you accurate, up-to-date vector chart detail derived from official Hydrographic Office information.
High-Res Bathymetry – HRB layer helps you identify shallow areas, drop-offs, ledges, holes or humps. Now includes compiled and quality-controlled Genesis® detail as part of single layer.
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.
Harbor & Approach Details – unprecedented level of detail. Approach any harbor and inlet with confidence. The perfect conclusion to a long voyage, sailing adventure or an exciting day of fishing.
Online Updates – keep your chart up to date, with 12 months’ free online updates.