Celine Dion's $29.7 Million Private Canadian Island Mansion

Singer Celine Dion is selling her custom-built mansion on a private island measuring over 830,000 square feet. The island is completely fenced in for maximum privary and security, the listing states. "If one prefers, a helipad can be created to make access by air possible," according to the listing of the property, which is sold exclusively by real estate broker Joseph Montanaro, Sotheby's Quebec. (Courtesy Sotheby's)