The Castaway cocktail was created by Jeff “Beachbum” Berry in 1994.
Ingredients
1½ oz. Gold or Dark rum
¾ oz. Kahlua or a coffee liqueur
3 oz. Pineapple juice
Steps
Shake all ingredients with crushed ice. Pour unstrained into a pilsner glass. Garnish with a pineapple spear or wedge, cherries and a flag or umbrella. Add additional crushed ice if necessary.
Yesss! Coffee Liqueur? Where do I find such a thing?
Any liquor store should have a decent selection.