Sealand, a tiny 550 sq ft micronation is up for sale.
From ABC news Australia (original article):
“A former World War II fort in the North Sea off England, which was settled 40 years ago and declared a state with its own self-proclaimed royal family, is up for sale.
The Times newspaper reports the tiny Principality of Sealand, which began life as Roughs Tower in 1941, is a 550 square metre steel platform perched on two concrete towers 11 kilometres off the coast of Harwich in eastern England.
It is accessible only by helicopter and boat but according to its owners, who want offers of eight digits or more, boasts uninterrupted sea views, guarantees complete privacy and is a tax haven.”