keg apparatus, which you can buy here (double duh)
alcohol of your choice (triple duh)
bowl
spoon
large knife
muddler, if needed
ingredients of your choice to make the alcohol tastier. The Beach uses habeƱero and lime for the watermelon and lemon for the pineapple, but you can also use agave, mint, cinnamon, cream of coconut- get creative with it!