PHP Warning: Use of undefined constant VBA_SCRIPT - assumed 'VBA_SCRIPT' (this will throw an Error in a future version of PHP) in ..../includes/functions_navigation.php(802) : eval()'d code on line 1 Storing or saving Marks
Sounds like what you need is the Garmin Marine Waypoint Management kit. It's soft ware you can load onto your computor and then upload and down load from data cards.
I use mine to separate my marks for different fishing areas and states.