Full title: The sunken hull of the City of Adelaide steam ship, burnt in 1912, has become an artificial island hosting a variety of plant and bird life approximately 300 meters (330 yd) off the shore of Cockle Bay, Australia
Well, the reddit poster also didn't link their source. Which was in all likelyhood an identical reddit post 8 years old. Which again, you probably guessed it, also didn't link its source.
So...