Before we dive into the logistics, it’s important to address the elephant in the cabin: As of 2023/2024, Garmin is actively selling the BlueChart g3 Vision (current version) and the new Navionics+ integration. However, the 2021 edition is still a highly capable raster/vector hybrid set that many sailors swear by.
The 2021 release (often labeled as ) was a major leap forward for coastal cruisers and anglers. But here is the reality check: Garmin no longer sells the 2021 version as a standalone file. However, if you own a license for that year or want to understand the update process, here is everything you need to know.
Popular with anglers, this feature allows users to designate up to 10 different depth ranges, assigning a unique color to each. This makes it incredibly easy to identify fishing "sweet spots" where bottom structure changes.
: The 2021.5 release specifically expanded relief shading detail for major coastal and inland waters, including updates for high-resolution terrain mapping. How to Download and Update (2021 Methods)
: Ensure you have a high-speed SD card (usually 8GB to 32GB) to handle the download size of modern high-detail maps. specific chartplotter model Updating Marine Charts on a Garmin Chartplotter