For maximum convenience to consumers, all Navionics charts and marine data are pre-loaded on a single MicroSD card that is included with the eXplorist 510 Marine Edition.

ENGADGET: Magellan eXplorist 510 Marine Edition sets sights on boaters, out in time for Talk Like a Pirate Day

There is a wide selection of Navionics apps to choose from for the region in the world you're after such as the U.S., Africa, and Asia, with more specific ones on offer as well including the U.K. and Holland.

CNN: iSail: Seven apps to set sail to

The Magellan eXplorist 510 Marine Edition provides boaters with a custom selection of best-in-class Navionics marine navigation charts and data plus a rugged, waterproof handheld Magellan eXplorist 510 Outdoor GPS device featuring easy-to-use menus, a built-in camera and a 3-inch sunlight-readable color touchscreen.

ENGADGET: Magellan eXplorist 510 Marine Edition sets sights on boaters, out in time for Talk Like a Pirate Day