Magellan Maestro 5310

The Magellan Maestro 5310 has a 5-inch screen, while the 4200s have a 4.3-inch widescreen display. The 5310 offers pre-loaded maps of the entire United States, Alaska, Hawaii, Puerto Rico, and Canada and 6 million preprogrammed, searchable points of interest.
The Maestro 5310 delivers a superior navigation experience, in an ultra-wide 5″ screen that makes it [...]

Garmin GPS map 430 Marine Chartplotter Inland Maps

price:     US $458.75
Description:
* Garmins new line of 4 GPS chartplotters offer a sunlight-viewable QVGA display to give you all the navigation and fishfinding capability you need to venture offshore. These versatile units offer a choice of several cartography options, coupled with an improved user-friendly interface.
* The GPSMAP 430 comes preloaded with coast-to-coast cartography for [...]