I can think of 2 off the top of my head...

Currituck (at least it did...not sure how this legal wrangling will affect it...) and Key West. The last time I was there (summer of 2001), they both had gift shops that sold HLs. Key West had only a few (Ft. Jefferson and a couple others), so I am not sure if they still sell them.

Maybe someone can confirm this...