Dellis Cay has a surface of 560 acres and should hold 124 private villas, 154 residences, the Mandarin Oriental hotel, as well as a marina. The construction began on June 4th 2008 and is expected to be completed in the end of 2009. The vision of the project is to realize the beauty of nature by its architecture.

Seven of the world’s foremost architects will bring Dellis Cay to life with masterful designs that harmonize with the island’s natural beauty, such as Zaha Hadid, Piero Lissoni, Shigeru Ban, Carl Ettensperger, Keungo Kma, David Chipperfield and Chad Oppenheim.

i didn't want to just put a link to the blog, but it has a big more insight into the design. you can read further about these here:
http://plusmood.com/2009/02/7-famous-archi...-cays-paradise/

i love them. damn i wanna go on vacation