Skinny Grapefruit Margarita

4.34 stars average

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Bright, refreshing, and effervescent, this skinny grapefruit margarita is the ultimate guilt-free, low calorie and low carb cocktail recipe.

Skinny Grapefruit Margarita

What I love most about margaritas is how versatile they are! With recipes like Skinny Orange Margarita Cocktails, Frozen Blood Orange Margaritas, and Spicy Jalapeño Margaritas, there seems to be a variation for every season and event. However, during the colder months, I find myself straying from traditionally sweet drinks.

tajin seasoning
margarita glass

So, wanting to add a bit of tartness to my cocktail and in an effort to use in-season produce, I created these Skinny Grapefruit Margaritas! Made with five simple ingredients and low in sugar and calories, they’re the perfect way to treat yourself without breaking your calorie bank.

Liz slicing grapefruit
Liz filling glasses with ice

To make this recipe, start by moistening the rim of your glasses with a lime wedge. Then, pour about ¼ cup of salt or tajín seasoning on a plate. Place the glasses rim down, and gently move them around the plate to coat with the salt. Fill each glass with ice and set aside.

Liz squeezing grapefruit juice
Liz pouring tequila

Next, slice the grapefruit and lime, and squeeze the juice. Use a cocktail shaker to combine the tequila, lime juice, grapefruit juice, and ice. Fill the glasses about 2/3 of the way full with mixture. Finally, top each drink off with sparkling water, and enjoy!

Skinny Grapefruit Margarita with Lime

How to Pick a Perfect Grapefruit

  1. Look for grapefruits that are rich in color. You want them to be deep red for more intense flavor.
  2. Find a grapefruit that feels heavy for its size.
  3. Find a grapefruit that appears to have fairly thin and smooth skin.
  4. Pick a grapefruit that gives when squeezed and bounces back quickly.
Skinny Grapefruit Margarita Glasses

Frequently Asked Questions:

Can grapefruit margaritas be frozen?

Yes! To make frozen Grapefruit margaritas, put all the ingredients in a blender, and blend until the desired texture is achieved. You will likely need to add more ice.

Can I use alcohol other than tequila?

While traditional margaritas are made with tequila, it can be substituted for other alcohols such as gin or vodka. Take a look at this guide to find the best substitute for every type of tequila.

Can grapefruit margaritas be stored in the fridge?

Yes, feel free to double the recipe to make a pitcher of margaritas! Simply mix the ingredients and store in the fridge until ready to serve.

Why do you salt the rim of margaritas?

Salted rims work to balance the bitter taste of tequila or orange liqueur found in most margarita recipes and enhances the sweet and sour notes of the drink. Its inclusion is intentional to the recipe. In fact, the very first margaritas ever made included a salted rim!

Liz drinking Grapefruit Margarita

Your glass is waiting.

Skinny Grapefruit Margarita with Lime and Grapefruit Slices

Skinny Grapefruit Margarita

4.34 stars average
Bright, refreshing, and effervescent, this skinny grapefruit margarita is the ultimate guilt-free, low calorie and low carb cocktail recipe.
PREP: 10 minutes
TOTAL: 10 minutes


  • 8 ounces silver tequila
  • 1 large pink grapefruit (juiced)
  • 4 ounces lime juice (freshly squeezed)
  • sparkling water (any flavor such as lime or grapefruit)
  • salt, lime wedges (optional garnish)


  • To rim the glasses, gently moisten the rim of four glasses with a lime wedge. Pour about ¼ cup of salt on a plate then gently move the moistened rim around to coat with the salt. Fill each glass with ice then set aside.
  • In a cocktail shaker, mix together tequila, lime juice and grapefruit juice with ice. Shake well then pour mixture over four glasses, about ⅔ full. Top each glass with sparkling water to serve.

Last Step:

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Serving: 8ouncesCalories: 138kcalCarbohydrates: 2gProtein: 1gFat: 1gSaturated Fat: 1gSodium: 1mgPotassium: 33mgFiber: 1gSugar: 1gVitamin A: 14IUVitamin C: 9mgCalcium: 4mg
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