Thank your for the recommendation.
Wayne just ran into this site while doing a search for Big Pine Key
Not sure if the below are any good but worth exploring their websies
The Florida Keys and Key West
Big Pine Key Fishing Lodge
Mile Marker 33, Oceanside
Big Pine Key FL 33043
Sugarloaf Key Resort KOA Kampground
Breezy Pines RV Park
Geiger Key Marina and RV Park
Lazy Lakes RV Resort
Waterfront Keys Realty - Cudjoe Key MM23
Where NOT to stay... we stayed here in '89. It was really great but...
Reviews are lousy now. Really has gone down hill.
SUNSHINE KEY RV RESORT & MARINA
Bluewater Key - Clark’s RV Lot Rentals