I want to believe. Thing is, a lot of these could be hoaxes since it's really easy to put a small lightweight LED light in a helium balloon and let it float away. Or to tie a bunch together using many lights and then you have hundreds seeing it…then again, it could be real. Who's to say?
Sorry to burst your bubbles (er, lanterns?) but what you're looking at is, from quite a distance, is a first stage rocket headed for space. I am suprised that you, living in FLA, would be used to them by now? Maybe you just never payed attention? A rocket is launched every few days to send payloads into orbit, be it satellites, space station supplies, or whatever.