Thanks for the reply Squatch. If i went with a portable unit, would I need a mount for the transducer? Or would i just plop the float off the side of the kayak when I want to use it? I'm currently looking at this one:
https://www.cabelas.com/product/boat...9.uts?slotId=8
^i don't think this model has GPS but I can always put pins on google maps to mark spots