Ellison owns 98% of the 140 square-mile tropical paradise.
Ellison's island is home to two top hotels. One is M1nele Bay.
The other is the Lodge at Koele.
Mark Zuckerberg and Priscilla Chan recently vacationed in Hawaii. Zuckerberg was also rumored to be shopping for luxury condos there in January.
Path CEO and Facebook millionaire Dave Morin enjoys vacationing in the Maldives, an island chain in the Indian Ocean, where he and his wife got engaged. He also enjoys skiing at Beaver Creek and staying in The Ritz Carlton there. Jackson Hole is a close second.
Richard Branson runs off to Necker Island, an island he bought for a mere $180,000, where he invites other entrepreneurs to work and play. It's worth tens of millions today.