Garmin 010-N0864-01 GPSMAP 78S Hand Held Marine Navigator with Altimeter and Electronic Compass

For boaters and watersports enthusiasts who want to run with the best, The rugged GPSMAP 78S features a 3-axis compass, barometric altimeter, crisp color mapping, high-sensitivity receiver, new molded rubber side grips, Plus a microSD card slot for loading additional maps. And it floats!