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.
"The test of a first rate intelligence is the ability to hold two opposed ideas in the mind at the same time and still retain the ability to function."
F Scott Fitzgerald
Seven Seas Navigator (12nts) - San Francisco - Vancouver - May13
Silversea Silver Explorer (23nts) - Kangerlussuaq, Greenland - Nome, Alaska - Aug 14