15 Apps for Navigating with your Apple or Android Device - Sail Magazine
iPad navigation apps tested – Yachting World
Navigation Apps for Boaters - boats.com
Using your Iphone as a marine GPS chartplotter for fishing and boating
Marine Navigation, Find your road on the sea! GPS chartplotter for your boat. - Marine Navigation, Find your road on the sea! GPS chartplotter for your boat.
Best Marine Navigation Apps for Apple iOS Devices - Digital Yacht News
9 Marine Nav ideas | marine, navigation, boat stuff