1 oz of coconut rum
3 oz of Pineapple Juice
1 oz of Midori melon liqueur (or watermelon liqueur)
1 oz of blue curacao liqueur
1 splash of 7-up soda (or Sprite)
Fill highball glass with ice. Add curacao, rum and melon liqueur. Fill with pineapple juice and add a splash of 7-Up.