James Grippando has written a series of thrillers taking place in Miami with his continuing character, lawyer Jack Swyteck. Born to Run and Last Call are two recent titles.
Brit Montero is a continuing character in a series written by Edna Buchanan. Like the author, Brit is a journalist working (and sleuthing) in Miami. Two recent titles by this author are Love Kills and The Ice Maiden.
Carl Hiassen is a well known journalist and author who books have a humorous slant to very real Florida issues. He writes frequently on the environment and politics making his point with humor. Skinny Dip and Nature Girl are just two of his books.
If you like historical fiction set in Florida, try some cracker westerns.
Herb Chapman and Lee Gramling write books about Florida in the 1800s. The authentic historical details portray Florida homesteaders settling and trying to make a life in early Florida. Give Riders of the Palmetto Plains, Thunder of the St. Johns, and Wiregrass Country a try.
All of the books mentioned along with many others can be found in the Florida section.