: Features 1-foot (30 cm) bathymetric contours for a clearer view of the bottom structure.

In 2021, the "g3" series was the standard for new Garmin chartplotters, offering:

BlueChart g3 is Garmin’s premium line of marine cartography. It represents a collaboration between Garmin and Navionics (which Garmin acquired), blending the best of both data sets into a single, cohesive mapping product.