It's a Gold Coast mansion with spectacular views of Long Island Sound. Surrounded by an 18-hole golf course, it played the fictional Xanadu in "Citizen Kane," appeared in a Taylor Swift music video and hosted the wedding of a Jonas brother. One Long Island developer called it "one of the most beautiful properties on the Island." But how do you determine the market value of an estate like Oheka Castle? Read more in the link in bio. . . . #longisland #ohekacastle #goldcoast #mansion