Cocoa Island (ココアアイランド Kokoa Airando?), also called Tails Island or Kokko Island, is a location in the Sonic the Hedgehog series and the main setting of Tails Adventure. It is a tiny island in the spring-like South Pacific which is not found on any map. Cocoa Island is also where Miles "Tails" Prower lived for an unknown period of time. Cocoa Island is fairly homogeneous climate with forests, mountains and caverns, and is surrounded by numerous islands offshore.