If using frozen pineapple chunks, allow them to thaw slightly for easier blending.

In a blender, combine the rum, pineapple chunks, orange juice, coconut milk, and ginger kombucha (if using).

Blend on high until smooth and creamy.

Taste and adjust the consistency with a little more coconut milk or orange juice if needed.

Pour the mixture into a chilled glass.

Garnish with a pineapple slice or an orange wheel, if desired.

Serve immediately and enjoy your refreshing Caribbean Citrus Piña Colada.