Measure out the pineapple chunks, coconut milk, ice cubes, and honey or syrup if using.
Add the pineapple chunks, coconut milk, ice cubes, and sweetener into the blender jar.
Secure the lid and blend on high speed for about 30-45 seconds until the mixture is chunky but smooth and frosty.
Stop the blender and check the texture — it should be icy and creamy with tiny pineapple pieces.
Pour the slushie into glasses, using a spoon if needed to serve the thicker parts.
Serve immediately with a tropical straw or a garnish of fresh pineapple slices for a vibrant presentation.