Caribbean and Bahamas Mango Margarita Cocktail Mango Margarita | Credit By Islands Staff Oct. 14, 2010 SERVES 1 1 oz. tequila 1 oz. triple sec 2 oz. simple syrup 2 1/2 oz. mango purée Juice from half a lemon 1. In a blender combine all ingredients with ice and blend until smooth.