I am not a big flouro fan personally. I generally just use a 7.5 foot 20lb abrasion resistant leader and add 18 inches of tippet. Here in Beaufort I use 20lb tppet material as well. If the fish in Destin a really pressured I am sure you could size it down to something in the 13-15 lb range for the tippet.
If you are set on using flouro....you may consider using a regular mono leader and use a flouro tippet.