You could possibly sail the Norwegian Spirit. When it docks in port canaveral, go to disney. Spend the night ashore at disney and then race next afternoon to catch ship in Miami before it sails. Not worth the effort IMHO.
"Carpe diem quam minimum credula postero"
Seven Seas Explorer - Miami - Venice - Mar 2017
Silverseas Explorer - Arctic - Aug 2017
Seven Seas Voyager - Rome to Beijing - Oct 2017
Seven Seas Mariner - Lima to Buenos Aires - Jan 2018
Silverseas Explorer - Siberia - Jul 2018
Seven Seas Mariner - Australia Circumnavigation - Dec 2018