This low calorie coconut margarita recipe is just 179 calories (other coconut margaritas are 588 calories!) and can be made on the rocks or blended.Try this coconut tequila cocktail with your favorite coconut water, or click the link for the extra low calorie coconut water we found for you in the link attached.You can make these coconut tequila drinks with silver tequila, or coconut flavored tequila... whatever you have on hand.