I grew up in Stuart, FL. I learned to water ski in the St. Lucie River, and I know that river better than I know how to use social media in disasters.
I've never looked at a single body of water without figuring it has an alligator in it, but realize now that's a byproduct of the location of my upbringing. I don't assume I will be attacked, but I respect the possibility and stay aware.
I mapped where and when alligator attacks happen, based on this wikipedia list and this Orlando Sentinel article:
Here's the breakdown of the time of year alligator attacks happen: