Place the cantaloupe, sugar, mint and 2 cups water into a blender. Process until smooth, about 1 minute. Strain into a pitcher full of ice. Serve cold.
You can also use this as a base for a cocktail, shaking 1/3 cup of the agua fresca with a shot glass of vodka in a martini shaker, if desired.
Recipe courtesy of Marcela Valladolid