Most expensive private island #1

Isla de sa Ferradura Spain
$39.7 million (A$53 million, C$44.9 million, €32.99 million, £22.7 million, Rs1.8 billion)
This 14-acre island lies just off the northern coast of Ibiza, in the bay of San Miguel. Edged by dramatic cliffs, the resort island is dominated by a luxurious white hacienda. It features a large salon, home theater, professional kitchen, dining room that seats 14 and several terraces, including a revolving one overlooking the swimming pool. The pool has its own waterfall and bar. There is also a cave complex built to house a whirlpool, solarium, steam bath and other amenities. Ferradura can be reached by boat, helicopter or by the small private road that connects it to the main island.