Here's my list of island necessities:
1. Milk Duds (a carton if possible)
2. Carmex - Cherry flavored
3. Swiss army knife
4. Satellite phone
5. Jug of either Rum or Whiskey
More things that would be nice to have: Sunblock (SPF 45+) to protect my ivory skin, a long good book, iPod, and large black sunglasses.