Yes, you may need a burn authorization depending on your location and other parameters.
If not contained in a portable or fixed grill, the fire must meet these requirements:
The Florida Forest Service has jurisdiction to issue burn authorizations. For burns not meeting the above requirements, a burn permit can be obtained from the Florida Forest Service by calling (239) 690-8001.
Both North Collier Fire Rescue and the Florida Forest Service are available to answer your questions.
Florida Forest Service (239) 690-8000 (Administration) (239) 690-8001 (Report Wildfires or Request Burn Authorizations)
North Collier Fire Rescue (239) 597-9227