The Garmin GPSMAP 78 was designed and built for the marine environment with its sleek waterproof construction and it floats. The GPSMAP 78 can also accept Garmin Bluechart g2 maps or other detailed Garmin street or topo mapping software.
The Garmin GPSMAP 78 is an excellent choice for a handheld unit for the avid boater. The GPS 78 has a lot of great features packed into one unit. The ability to add, customize, and share maps, has never been easier. This unit is ready to go right out of the box for your next boating adventure. The color display is sunlight viewable and high sensitivity receiver will keep you locked into a signal.