BARBADOS—At the top of a spiral staircase lined with scalloped, silver-leaf walls (the banister cost $60,000) is a door accessible by a fingerprint security system. It opens to an all-white, 2,583-square-foot master suite wrapped in bomb-proof, 44-milimeter glass. There, a king-sized bed sits on a giant platter that rotates with the press of a silver button. Another set of buttons rotates the bed itself. The combination of the rotating bed and the rotating platter allows limitless angles for watching the sunset, sunrise or the 60-inch plasma TV, which retracts from the ceiling.

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