NA-M321 => Cape Henry to Apalachicola Bay Coverage includes offshore bathymetric details from Cape Henry, VA to Apalachicola Bay, FL. Coverage extends from the coastline out to the offshore Atlantic Canyons - Norfolk, Washington and others. Some coverage of the Bahamas is also included, covering western Northwest Providence Channel and the banks and shoals around Bimini. Fishing Contour Charts do not include coastal navigational features and are recommended for offshore fishing only This product may not be returned to the original point of purchase. Please contact the manufacturer directly with any issues or concerns.