1 1/2 oz dark rum
1 oz orange juice
1 oz pineapple juice
2/3 oz fresh lemon juice
1/3 oz grenadine
1/3 oz simple syrup
3 dashes Angostura bitters
1 pineapple wedge (for garnish)
1 maraschino cherry (for garnish)
Shake rum, fruit juices, grenadine, and simple syrup with ice.
Strain into a highball glass filled with fresh ice.
Top with bitters.
Garnish with pineapple and cherry.