Add the cucumber, pineapple, frozen banana, and coconut water to a blender.
Toss in the fresh mint leaves and lime juice. If you like a bit more texture, sprinkle in the chia seeds for an added nutrient boost.
Blend everything until smooth, adding ice cubes to reach your desired level of thickness and chill.
Pour into a glass and enjoy the cool, refreshing flavours that will leave you feeling revitalized