"The opportunity of a lifetime awaits," declares the Sotheby's auction page, next to a photo of lush green atolls surrounded by white sand beaches and turquoise blue sea.
The Widi Reserve is a stunning, currently uninhabited archipelago in eastern Indonesia consisting of about 100 islands in a 315,000-hectare Marine Protected Area.
According to Sotheby's, it is "one of the most breathtaking properties anywhere on Earth".