Foster's is a "Market & Supply store" with easy access to cruisers on the ICW.  It is located at Foster's Market & Supply Co. is a full service provisioner for all boater's and cruisers traveling on the Atlantic Intracoastal Waterway. We are located at Intracoastal Waterway Marker 2A approximately half way between New York and Florida in the beautiful and historic village of Southport. Southport is located 40 miles north of Myrtle Beach SC, and 30 miles South of Wilmington NC.  If you are cruising on the outside, entrance is through the Cape Fear River Inlet. Click here:  http://www.icwprovisions.com/ or on the picture at right to visit Foster's Market online.

Robbs Boat Yard,
Belhaven, NC

North Carolina waterways.com listed several marinas, with limited information.  Most have not WEBSITE! 
This website list 91 marinas, 15 have websites, 6 of the websites could not be accessed!