https://www.msn.com/en-us/news/us/crocodile-causes-a-pool-emergency-neighbors-shocked/ar-AAKtIT1?ocid=msedgntpNot the shoe; the animal.
Yes, that's a crocodile; it has a triangular snout; alligators have a more round snout. Alligators are more common in Florida, but a few American Crocodiles live there too.
American Crocodiles are an endangered species, so it was released in the local bay. An Alligator probably wouldn't've been released; there are already plenty of them.