The online vacation rental ad looks like a fabulous find. For $350 a night, it's a two-bedroom villa at the upscale Atlantis Resort on Paradise Island along the powdery sand of Cabbage Beach. But when you look closer, its not believable.

Meanwhile, at Guanahani Village on Cable Beach west of Nassau, three-bedroom ocean-view condos rent for $306 per night in high time for two people. What you don't see on the Web site, however, is that the 35-unit oceanfront timeshare assets has just been sold to a secretive Bahamian group and is undergoing an upgrade.

And the new Marriott's Frenchman's Cove, which is increasing next to Marriott's Frenchman's Reef Beach Resort at the doorway to St. Thomas Harbor, will include 220 two- and three-bedroom units spread between seven buildings.