Port Chibaralta Island was formerly ruled over by its boss Oliva. However, due to Oliva's involvement in the slave trade, which was forbidden by Whitebeard, he was deposed by the Whitebeard Pirates.
Sometime in the past, Whitebeard claimed Port Chibaralta Island as his territory.
One Piece novel A
Portgas D. Ace was sent to lead an investigation on Port Chibaralta Island. There, he discovered that the island's boss Oliva was participating in the slave trade, and he forced Oliva to surrender and be arrested.
When Whitebeard was killed during the Summit War of Marineford and the Whitebeard Pirates were defeated in the Payback War, Port Chibaralta Island lost the crew's protection and it is unknown what became of it.
- The island's name may be a reference to Gibraltar, a peninsula off the southern tip of the Iberian Peninsula.
- SOURCE UNKNOWN, Volume 2, Chapter 5