Owning part of an island with cryptocurrency. A 5-hectare of the the Union Island, located in Saint Vincent and the Grenadines, the place called the Bloody Bay Beach is for sale for 600 bitcoins. There are no buildings on the site, but there is a plan for the construction of buildings and a quay designed by architect Seth Stein. The Union Island has a developed infrastructure and has its own airport for connecting three thousand residents to the world. One the announcement regarding sale says: "The price in bitcoin is set only for a limited period of time."
BitClave - https://www.bitclave.com/