Step 1
In a blender, add frozen pineapple, coconut milk, and sugar. Blend until smooth. Pour mixture into a 32-ounce plastic container with a tight fitting lid. Freeze for 8 hours.
Step 2
To prepare the cooler, place 2 scoops of pineapple sherbet into a tall glass. Pour the coconut water over the sherbet. Top with sparkling water. Mix with a stirrer, garnish, and enjoy!