Charts are sold by region (e.g., U.S. Coastal, Bahamas, Great Lakes, Mediterranean). You must purchase the specific region required for your boating location. In 2021, digital codes and physical SD cards were the two primary purchasing methods.
: High-resolution shading for up to 10 depth ranges to view target depths. garmin bluechart g3 download 2021
: Combines the best of Garmin and Navionics data for superior detail. Charts are sold by region (e