Peel the watermelon from the rind and cut watermelon in chunks. Place watermelon in a Viamix blender or other high-powered blender and blender.
Add the lime and pineapple juice, honey and mint into the blender and mix well.
Place the juice into a pitcher and add the tequila and triple sec to the pitcher. Add a cup at a time into a cocktail shaker with crushed ice. Shake and serve into a margarita glass OR add 2 cups crushed ice to pitcher and serve immediately.