- For the version of this location before the Super Genesis Wave, see Onyx Island (Pre-Super Genesis Wave).
Onyx Island is a location that appears in the Sonic the Hedgehog comic series and its spin-offs published by Archie Comics. It is the future version of Angel Island in Silver the Hedgehog's native time.
- Onyx Island originally appeared in Sonic Rivals and was revealed to be the future Angel Island.
- According to Evan Stanley, "The Silver Age" was originally going to be set on Onyx Island, but this was rejected by Sega as they no longer consider Sonic Rivals canon.