Nimbus Bay

Nimbus was once a heavily industrial factory and oil rig. However, due to its unstable geometry, it was abandoned and left to deteriorate. Dr. Robotnik once tried to fill the clouds above it with acid, causing a true acid rain, but the Knothole Freedom Fighters managed to halt his efforts. In the process however, Nimbus permanently sunk into the water surrounding it.

Today only a large bay remains.