Marine GPS units are multifunctional GPS systems that give you complete navigational ability on water. These fish finder/chart plotter combos will not only assist you in safely navigating on water and getting back to shore but will also use sounder technology for finding schools of fish.
Marine GPS allows you to navigate waterways as well as open water with ease, even without land markers, you will know your exact position with these proven marine GPS systems. Handheld marine GPS units are a smaller version of marine GPS systems and are easily portable. You can find multiple versions of these in either Garmin or Lowrance brands in the handheld GPS units section of the site.