Florida sellers answer to the IRS and nobody else on the gain.
Florida has no state income tax, so a property sale here is taxed only at the federal level. The ceiling on that federal bill, once the net investment income tax is included, is 23.8%.
Strip out the state layer entirely and this is what's left, with your own recapture figures available in the capital gains tax calculator.
Even without a state rate to worry about, deferring the federal 23.8% matters on a large sale. Run your numbers through the 1031 exchange calculator and get your exact deadlines from the timeline calculator.