I'll be there for a conference and was wondering if there's anywhere nearby to ride. Might as well trailer the bike and take it down while I'm on business :-)
I don't know of any place to ride that far South but you could E-mail
Randy at Palm Beach Trail and track riders out of Ft Lauderdale maxey19@aol.com for more info.
Oh, and remember it is HOTTER down there than even other parts of Florida. You want vented gear if possible and carry lots of water.