I grew up here (Melbourne)... currently live in Palm Bay:
A few area clubs*:
Mid Florida Jeep Club - DeLand/ Daytona
Treasure Coast Jeep Club - Vero Bch
Legendary Jeeps - Titusville
Orlando Jeep Club
Matanzas Jeep Club - St. Augustine
*I have no information re: these clubs... just a few that I've found online/ seen around.