Nautical blog

Marine cartography 2026 — Navionics+ vs C-MAP Discover X vs Garmin Navionics+

Three marine cartography providers dominate the 2026 recreational boating market: Navionics+ (Garmin group since 2017), C-MAP (Navico/B&G group), Garmin Navionics+. Compatibility with your chartplotter determines the choice. Technical comparison: coverage, update frequency, user sounders, weather overlays. 2026 HT prices + workshop verdict by chartplotter brand.