The card slot is located inside the waterproof battery compartment, so you don't have to worry about getting it wet. Conveniently plug in BlueChart® g2 preloaded cards for a great day on the water or City Navigator NT® map data for turn-by-turn routing by road (see maps tab for compatible maps).

The advantage is clear - whether you’re in dense woods or just near tall buildings and trees, you can count on GPSMAP 78s to help you find your way when you need it the most.Īdding more maps is easy with Garmin's wide array of detailed marine, topographic and road maps, available on microSD card. With its high-sensitivity, WAAS-enabled GPS receiver and HotFix™ satellite prediction, GPSMAP 78s locates your position quickly and precisely and maintains its GPS location even in heavy cover and built-up areas. Just press “send” to transfer your information to similar units. Now you can send the location of your favourite fishing spot to a friend to find. With GPSMAP 78s you can share your waypoints, tracks, routes and geocaches wirelessly with other compatible device users.

Its barometric altimeter tracks changes in pressure to pinpoint your precise altitude, and you can even use it to plot barometric pressure over time to keep an eye on changing weather conditions. GPSMAP 78s has a built-in 3-axis tilt-compensated electronic compass, which shows your heading even when you’re standing still, without holding it level. And, like the rest of the 78-series, 78s is IPX7 waterproof and even floats in water. GPSMAP 78s comes with built-in worldwide basemap, so you can navigate anywhere with ease. For boaters and watersports enthusiasts who want to run with the best, the rugged GPSMAP 78s features a 3-axis compass, barometric altimeter, crisp colour mapping, high-sensitivity receiver, new moulded rubber side grips, plus a microSD™ card slot for loading additional maps.

Garmin gpsmap 78s maps