In Florida, a variety of gambling activities are legal. These include: Pari-mutuel wagering on live and intertrack horse and jai-alai activities at licensed racetracks and jai-alai frontons. Casino gambling, including slots and table games, on certain Indian tribal lands.
To give a quick answer, no. Draftkings Sportsbook is not legal in the state of Florida. Florida state law has yet to change to accommodate the widespread legalization of online gambling. There is only a small portion that has legalized it so far.