Friends of Cape Lookout National Seashore:a private, nonprofit organization dedicated to ensuring the long-term protection of the natural and cultural resources of Cape Lookout National Seashore.  

Friends of Portsmouth Island: promotes the preservation of Portsmouth Village Historic District and the interpretation of the traditional Outer Banks lifestyle.

Foundation for Shackleford Horses: a non-profit organization formed to help the National Park Service protect and preserve the wild horses of Shackleford Banks in Cape Lookout National Seashore for their cultural, historic and genetic importance, and for the continuing interest and enjoyment of generations of Americans.

Core Sound Waterfowl Museum & Heritage Center: highlights the traditional lifestyle of those living "Down East" through exhibits and demonstrations.

Eastern National: a non-profit cooperating association operating educational retail outlets and working in more than 150 national parks and other public trusts. Eastern National operates stores in two visitors centers in Cape Lookout National Seashore--on Harkers Island and in the lighthouse area--in addition to the online store.