#1 Best Seller in Marine GPS Units & Chartplotters : Garmin GPSMAP 78sc Waterproof Marine GPS and Chartplotter

Marine-friendly handheld with high-sensitivity GPS receiver and 2.6-inch color TFT display Perfect for boating/watersports--waterproof to IPX7 standards; floats in water Built-in BlueChart g2 U.S./Bahamas coastal charts with shorelines, depth contours, navaids, harbors, marinas, and more Built-in 3-axis tilt-compensated electronic compass and barometric altimeter for heading/altitude/weather Share your waypoints, tracks, routes and geocaches wirelessly with other compatible device user Featuring a bright 2.6-Inch LCD color display with built-in basemap and high-sensitivity GPS receiver, the GPSMAP 78 series takes recreational navigation to a whole new level. All three models are waterproof, and include a built-in microSD card slot for loading additional maps and a dedicated MOB (man over board) button.