Garmin 76CS comes with some great maping software. You can input it waypoints into a computer then download into the GPS, or put them straight into the GPS.
If you have them on the computer, you will always have the waypoints and maps as a back up. The mapping software also shows depths, land, roads, bridges, numbered day markers and numbered bouys. Plus the software shows NOAA info like submerged objects that are on NOAA maps and charts.
You can look at the maps on the computer at night to plan your attack for the next day.
I got the Hummingbird GPS/Depth finder that came with the boat. I really don't care for it like I do the Garmin. I use the Garmin on both boats.
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