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Emergency GPS for Trips

That's a good unit for open water with the global basemap. For open water where you can't see land, or can't tell which piece of land you're looking at, it's great. It'll let you plot a course, show you bearing and heading. But, I don't think it's as useful for inland or coastal use... Garmin is very much into making you pay for maps... many times if you have multiple devices. If you want any kind of reasonable depth info or channel markers or anything like that, you're going to probably have to buy a $100 map for that. If you plan to go outside the area you bought, expect to buy another map, etc. Want to use it for hiking instead of water that day? Buy another map.

Technically savvy peeps can download free maps to it and use those, but that requires advanced prep and planning and kind of defeats the "I need it now because my other one just died" ability.

That being said, I always have a battery powered handheld GPS even when I'm planning rivers or intracoastal... It can only help.

Oh... don't leave batteries in those handhelds... I have a number of very dead (and expensive) handheld Garmins where batteries have killed them.
 
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