French billionaire wants $55M for the biggest and priciest mansion on this exclusive Florida island admin 3 hours ago News 1 Comments Off on French billionaire wants $55M for the biggest and priciest mansion on this exclusive Florida island 19 Views It’s an eight-bedroom, 15,802-square-foot, spec house from French billionaire Jean Madar whose property holdings run from Europe to the Caribbean. Share Facebook Twitter Stumbleupon LinkedIn Pinterest