The NC/VA state line is just to the north with 4W access.See the map here. Finger canals have been dug for development. I don't think EPA allows this anymore.
This was before Irene came through. The area has some enormous houses built in the dunes. I can't imagine the effort it takes to bring in all the material to build and furnish these homes. Some have 27 bed rooms.
There are some year round residents and the kids go by boat to the main land for school.