|This needs a stretch.|
Volcano Island was the secret headquarters of Dr. Zin.
Scooby-Doo! Mystery Incorporated
The Dragon took Blue Falcon and Scooby to the island. Fortunately Blue Falcon had a tracking device on him which Dynomutt and the rest of the gang and followed in the Falconcar to the island to rescue them. (Heart of Evil)
Insert details here.
- Velma Dinkley noted with surprise that she was unaware of the existence of that island until Dynomutt mentioned it.