A premium chartplotter for the adventurous spirit. These chartplotters feature large, bright screens coupled with quick and easy-to-use keypad interfaces with user-programmable keys and multifunction control knobs to help you navigate with ease. These are compatible with our premium maps and charts for the best in Garmin navigation. Share information among multiple units, thanks to Garmin Marine Network support. See fluid position and heading changes with update rates of 10 times per second. Easily transfer waypoints, tracks and routes from your other GPS devices. See what's around your boat with built-in sonar capabilities on select models (transducers sold separately).