Don’t worry, it’s just a name. It’s really more of an island.
There’s obviously plenty of stuff on the aforementioned Deathly Atoll that is, well, deathly. It’ll kill you. The bright side, of course, is that there’s also plenty of treasure scattered throughout, which is also fine motivation for the pirates and like-minded adventurers to check things out. You can examine the full rundown on the official site if that sounds like something you’d be happy to take part in.