GARMIN Gpsmap 188

BlueChart on Garmin Datacard
BlueChart packed with detailed offshore marine maps for a great day on the water. Maps are conveniently recorded on a Garmin Datacard for the easy computer-free installation. Compatible with GPSMAP series 276-478, 3000 and other chartplotters with a Datacard slot.

Garmin Extras
Additional maps and software

nuMaps Updates
nüMaps Lifetime is a 1-time purchase that lets you download the most up-to-date map information on streets, highways and points of interest as soon as new content is available — for the lifetime of your Garmin device. Also available 1-time updates to replace your device’s maps with the most recent map information available at the time of purchase