Magellan MapSend BlueNav XL Chart North Carolina Salt/Freshwater Map microSD Card Covers Chincoteague Inlet to Cape Romain The most complete range of detailed marine cartography available Charts on pre-loaded SD memory card for easy and convenient use Highly detailed plans make your approach to unfamiliar ports safer and easier. For use with your Magellan FX324 MAP, FX324 MAP Color and Meridian Gold, Marine, Platinum or Color GPS receiver