Do you need to have a fishing license?
ACCORDING TO FLORIDA FISH AND WILDLIFE:
"Florida Residents and Visitors need a Florida hunting , freshwater fishing or saltwater fishing license unless they are a member of one of the "exempted" groups of people listed below. Your license is required to be with you when you are engaged the licensed activity.
A fishing license is required to attempt to take fish. If you cast your line, catch nothing, catch and release, or catch and keep and you are not a member of one the groups listed below; you need a license. A saltwater fishing license is also required to attempt to take any native or nonnative marine organisms, such as crabs, lobsters, and marine plants.
Licenses and permits are required to help or assist in the take. Someone who is passively participating (setting decoys, calling birds or baiting hooks), whether actively fishing or hunting or not, must have a license."