Garmin MapSource BlueChart Atlantic

Garmin MapSource BlueChart Atlantic ... interactive viewing of detailed nautical chart data, thereby providing navigators with innovative object-oriented cartography. 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.