|This location exists primarily or exclusively within the Pre-Super Genesis Wave continuity.|
Information in this article may not be canonical to the storyline of the games or any other Sonic continuity.
Big Kahuna Island is a location that appears in the Sonic the Hedgehog comic series and its spin-offs published by Archie Comics. It was an island on Mobius located near the Devil's Gulag and was home to West Robotropolis.
The Big Kahuna Island was used as a secret base by Snively and a group of other convicts after their escape from the Devil's Gulag. Sonic the Hedgehog and members of the Royal Secret Service traveled to Big Kahuna Island via a submarine to retrieve Nate Morgan, who had been captured by Snively and his goons.