In blender, process oats until finely ground. Add banana, pineapple, coconut milk, 1/2 cup coconut water, cashews, lime juice and vanilla; process until smooth. Divide between 2 glasses.

Add avocado and cucumber to blender; pulse until smooth. Spoon about half the avocado mixture into the glasses.

Add remaining coconut water, spinach and honey to blender; pulse until smooth. Pour over top of avocado mixture.