The unusually-named Potato Island (left and inset) is among the archipelago of the Thimble Islands off the east coast of in Connecticut, in the U.S. Potential homeowners may even be lucky enough to stumble across lost loot in their garden as legend has it that British pirate Captain William Kidd buried his treasure somewhere in the 17th century. The luxurious mansion (right) has a heated swimming pool, offers privacy and seclusion but is just a two-minute boat ride from the nearest coastal village, Stony Creek on the mainland.