Ingredients:
  
1 1/2 ounces light Virgin Islands rum
1 1/4 ounces demerara rum
3/4 ounce Licor 43
3/4 ounce unsweetened pineapple juice
3/4 ounce orange juice, freshly squeezed
3/4 ounce lemon juice, freshly squeezed
3/4 ounce passion fruit puree 
 
Method:
 
Add all the ingredients to a shaker with crushed ice and shake until well-chilled.
Pour, unstrained, into a Tiki mug or a double Old Fashioned glass.
Garnish with a cocktail umbrella.