Organ Islands is the archipelago where Orange Town is located. Not a lot of information is available on this island as it isn't the main location.
Forty years ago, this island was empty, Boodle and his people who had fled from another town that was destroyed by pirates had come and settled here. They build a new town and named it Orange Town. When Buggy attacked Organ Island, the townspeople and Mayor Boodle retreated to the hill on the outskirts of the town.
A. It is unknown if anyone is currently living on Organ Island after Buggy attacked it.
A. As Organ Island hasn't been shown in the anime it doesn't have an image.