That was in Key West our first stop.
The water was actually very shallow there. We were touring the Mangroves (?). You can see them behind me. The way that they grow creates mazes that are fun to explore.
There were a lot of Pelican there, but I didn't see any crocs, thankfully. I'll show you what I did see, though. This first photo is of sea cucumbers that were laying on the ocean floor. I actually picked up a few. Ick! What do they remind you of?