As of July 2017, six states ban smoking in most enclosed public places, but permit adult venues such as bars (and casinos, if applicable) to allow smoking if they choose: Florida, Idaho, Indiana, Louisiana Iowa and Nevada. In Florida, state law preempts local governments from enacting stricter smoking bans than the state, though in Idaho, Indiana, and Louisiana, some cities and/or counties have enacted stricter local smoking bans to varying degrees, in some cases banning it in all enclosed workplaces. See individual state listings below for details.

What's the best answer to this question: is it legal to smoke in bars in florida?
yes