01 - Place the diced mango, chopped cucumber, coconut water (or plain water), and fresh lime juice into a blender.
02 - Add honey or agave syrup and mint leaves if using, then blend on high until completely smooth and creamy.
03 - Taste the blended mixture and adjust sweetness with additional honey or agave syrup as desired.
04 - Add ice cubes if a chilled, frothy consistency is desired and blend again briefly until incorporated.
05 - Pour into glasses and serve immediately for the freshest flavor and texture.