There was some recent legislation passed in FL about short-term rentals. It has been very controversial in some communities.
Some background:
Cities to be blocked from cracking down on short-term rentals - Sun Sentinel
It appears that legislation might have passed earlier this year to hand some control back to local communities.
About the recent legislation:
Flagler Seeks, Flagler Wins: Bill Restoring Vacation-Rental Regulation Authority Passes House and Heads for Scott's Desk | FlaglerLive