Combine the dark rum, coconut rum, overproof rum, pineapple juice, orange juice, lemon juice and grenadine in a shaker.
Add ice and shake hard for 10 seconds.
Strain into a hurricane glass filled with fresh ice.
Let the grenadine settle for a moment to keep the gradient.
Garnish with a pineapple wedge and a cocktail cherry.
A Bahamian resort classic of uncertain authorship, usually credited to Nassau in the 1960s. The difference between the bad version and the good one is entirely fresh juice and a real dark rum instead of a sweetened blend.
My Bar Shelf reads your shelf and shows you every cocktail you can make from what you already own, including Bahama Mama.