Not a completely desolate island. More along the lines that the boat delivering supplies only comes once every six months and will never, ever take you home. Decide what you'll bring!
Someone from survivor? I don't know, celebrities have money, I wouldn't need that on an island.
Beowulf, and the complete Shakespeare collection
Utz Potato chips, a side of beef (in a freezer), and coffee
Lord of the Rings, Midnight in the Garden of Good and Evil, Moulin Rouge, and Monster's Inc
Five music albums:
Eagles's Greatest Hits (1 & 2), Norah Jones's Come Away with Me, Pink Floyd's Pulse, Kenny Chesney's When the Sun Goes Down, and Dvorak's 9th Symphony