BLACKDORE CAYE, Belize
The island is near the //www.ambergriscaye.com/pages/town/barrier.html , a World Heritage Sight.
Who: Leonardo DiCaprio co-owns it with developer Jeff Gram.
Where: East of the mainland. Fly to Belize then take a boat to the island.
Stay: DiCaprio is an environmentalist and his deal with Four Seasons is to construct an eco-hotel.
Random fact: DiCaprio stayed at the Cayo Espanto resort and loved it so much, he bought the property next door to turn into his own resort.
from "islands of the rich and famous"