Best handheld gps for marine use?

I am interested in responses as well.

iFinder H2O

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Does that app pull up detailed satellite images, like for navigating through flooded timber in the morning?

I need an app that can track my route from a pinned location, gives me a detailed satellite image and works on gps, not phone service, so I can use it in remote areas.....

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Interested in responses for this

I'm not sure if it tracks your route, as I have only used navionics on a lowrance gps unit. However, it is the best gps software I have seen. All satellite imagery. I am pretty sure I remember someone posting on this site that it works off gps and will work even if no phone service is available.

Garmin GPSMAP 78SC Marine Handheld GPS

Navionics app on an IPad in a waterproof life proof case, with their water proof charger cord hooked into a cigarette lighter.

Then get a goofy iPad monitor mount slap it all together and you have a GPS map you can see.

Dick I have it and it's not the best for timber. It will track your route but I have found that if you take the app off of display (still running in the background) that it will jump from the last place it was displaying to your current location. It also doesn't allow you to fully utilize aerial imagery. It blocks out water bodies rather than showing the aerial imagery from bing or google maps which isn't good for timber hunts. The level of detail also leaves much to be desired. It does use true GPS rather than cell service though.

With that said it's well worth $10

I have the navionics app for my iPhone.

It is handy but it doesn't work without phone service.

I remember reading on The Hull Truth about a GPS app that worked without any phone service but it was around $50.00 if I remember correctly.

Correct, you have to download the map prior to going out of cell range.