The GPSMAP 421S is a compact chartplotter that features an ultra-bright 4″QVGA color display along with an improved high-speed digital
3D views and Auto Guidance technology.

Product DescriptionGarmin GPSMAP 421S Marine Chartplotter, Brand New The GPSMAP 421 is a compact chartplotter that features an ultra-bright 4? QVGA color display along with an improved high-speed digital design for increased map drawing and panning speeds. It?s ready to go with a built-in, satellite-enhanced worldwide basemap and an easy-to-use interface designed to help you navigate the open waters with ease. The GPSMAP 421 also accepts BlueChart? g2 Vision cards for added features and functionality such as high-resolution satellite imagery, 3D views and Auto Guidance technology. View Satellite-enhanced Worldwide Basemap The GPSMAP 421 basemap contains worldwide satellite images in place of traditional maps. The GPSMAP 421 als… More >>
Garmin GPSMAP 421s w/dual frequency transducer