01 -
Fill a cocktail shaker with ice. Add pineapple juice (2 ounces), orange juice (2 ounces), lime juice (2 ounces), and rum (2 ounces). Shake vigorously.
02 -
Strain into a 12-ounce glass filled with ice. Stir in a splash of sparkling water and top with a splash of grenadine.
03 -
Garnish with a skewer of pineapple wedge, thin orange slice, and a maraschino cherry if desired.