The island is situated somewhere in an uncharted location and features a large laboratory complex. The many of walls in the complex are covered with pipes, cameras and computer screens. Most of the floor tiles are hexagon shaped, with some having holes containing spikes to impale introders. The island has multiple radio towers, allowing those on the island to connect to the CCT. The island has many metal fences. The island also has big wooden stakes planted into the ground. The outside of the island also has a dock as well as many crates and barrels. The island is populated by Grimm, Merlot's mutant Grimm and his security robots. The island naturally produces a mysterious radioactive substance that Merlot uses for his mutating serum. Many of these toxic pools have pipes that collect the ooze and send it to the laboratory complex. The terrain of the island is mainly sandy with the plant life being similar to that which is found in deserts.
After his experiments helped in the fall of Mountain Glenn, he moved his experiments onto an island where he continues his research in secret. With people believing he died, he was left alone.
Team RWBY infiltrated the island and fought against many Grimm, as well as Doctor Merlot's own mutated Grimm and security robots. After fighting through his laboratory and defeating his Mutant Death Stalker, he activated the laboratory's self-destruct system before all of them escaped.
- Doctor Merlot and the island are a reference to the science fiction novel The Island of Doctor Moreau by H. G. Wells.
- The island is uncharted and as such isn't on any map.