These detailed electronic nautical charts look just like paper charts when displayed on your Garmin chartplotter. Features include shading between depth contours, spot soundings, navaids, port plans, wrecks, obstructions, inter-tidal zones, and more. BlueChart offers much larger coverage areas for half the price.
MapSource BlueChart South Maine provides detailed coverage of Penobscot Bay through Gloucester, including Casco Bay and Cape Ann.
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