In a blender add cantaloupe and strawberries. Process until smooth. Add stevia or sugar to taste. Place a fine mesh sieve or line a bowl with cheesecloth and pour the fruit into sieve. With a back of a spoon, push the fruit through. You want to get rid of the seeds and pulp.
Discard the pulp and seeds and place your mixture in a bowl. Stir in coconut milk. Taste one more time to see if additional sugar is needed.
Refrigerate until cold, serve within one day. You can freeze it make like a smoothie,if your not going to use right away.