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+ servings
5 from 6 votes
above shot of a drinking glass filled with a grapefruit rum cocktail, and garnished with mint leaves and grapefruit slices

Grapefruit Rum Cocktail

12 12 12
WW Freestyle: 11
Prep Time10 mins
Total Time10 mins
This easy Grapefruit Rum Cocktail is made with real fruit juice, fresh mint leaves, club soda and more! It's a cool and refreshing cocktail recipe that's bursting with flavor.
Course: Drinks
Cuisine: American
Servings: 8
Calories: 303
Author: Katerina | Diethood


  • Pitcher


  • ½ cup packed mint leaves
  • 2 tablespoons granulated sugar
  • 6 cups Ruby Red Grapefruit Juice, no pulp
  • 3 cups White Malibu Rum
  • splash grenadine, optional
  • club soda
  • grapefruit slices, for serving


  • In the bottom of a large pitcher, muddle together the mint leaves and sugar.
  • Stir in grapefruit juice, then rum. Cover and refrigerate until ready to serve.
  • Fill cocktail glasses with crushed ice; add prepared grapefruit rum cocktail to each glass.
  • Top with a splash of grenadine, if desired, and a splash of club soda.
  • Garnish with grapefruit slices and enjoy!
Nutrition Facts
Grapefruit Rum Cocktail
Amount Per Serving
Calories 303 Calories from Fat 9
% Daily Value*
Fat 1g2%
Saturated Fat 1g5%
Sodium 5mg0%
Potassium 303mg9%
Carbohydrates 23g8%
Fiber 1g4%
Sugar 22g24%
Protein 1g2%
Vitamin A 132IU3%
Vitamin C 49mg59%
Calcium 21mg2%
Iron 1mg6%
* Percent Daily Values are based on a 2000 calorie diet.
Keywords: best summer cocktails, grapefruit cocktail, refreshing summer cocktails, rum cocktail, summer cocktails, vodka drink recipes