Nah, the Everglades are not dangerous really.
Nor would it be legal to put people there is there were a danger.
Sharks are not a deterrent to Alcatraz.
The normal ones are harmless, the dangerous ones are extremely rare.
The cold water is more of a deterrent.
{...
- Shark Species Present: The waters around Alcatraz Island are home to several shark species, including the leopard shark and soup fin shark, enhancing the area’s marine biodiversity.
- Rare Sightings: Occasionally, rarer species like the great white and tiger sharks are spotted near Alcatraz, creating excitement among marine enthusiasts.
...}