Watermelon Mint Mojito is a bright, refreshing summer cocktail made with fresh watermelon juice, white rum and chilled club soda. It’s easy to scale up for a pitcher and takes under 10 minutes to assemble with just a few ingredients.
Other seasonal favorites you might enjoy: Mango Mojito, Mango Martini, Traditional Red Wine Sangria, and Tamarind Margarita.
After the success of a Blueberry Mojito experiment, I wanted to try another fruity variation with watermelon and mint. The result is light, subtly sweet and perfectly suitable for warm afternoons, brunches or casual gatherings.
About Watermelon Mojito
This version of the Mojito uses fresh watermelon juice combined with mint, lime and a splash of white rum. The watermelon provides natural sweetness, lime adds a tangy balance and club soda gives a pleasant fizz. It’s a modern, colorful twist on the classic mojito that’s ideal for summer entertaining.
Make a non-alcoholic mocktail easily by omitting the white rum and topping with a little extra soda or a splash of sparkling water. You can also vary the fruit—strawberries, raspberries, cucumber or cherries pair nicely with mint and watermelon.
Ingredients
Watermelon – Use a ripe, juicy watermelon for the best flavor. If you prefer convenience, buy pre-cut ripe watermelon.
Mint leaves – Fresh mint is essential for aroma and flavor. If you want a different herb note, try basil in place of mint.
Sugar – Adjust sugar to taste. If your watermelon is very sweet you may not need any. Sugar-free alternatives like stevia or monk fruit work too, and honey, maple syrup or agave are good natural substitutes. Simple syrup dissolves easily and is often used in cocktails.
Lime juice – Freshly squeezed lime juice brightens the drink; lemon can be substituted if necessary.
White rum – Light rum is traditional for mojitos. You can substitute vodka or tequila if you prefer a different spirit, or omit entirely for a mocktail.
Club soda – Chilled club soda adds sparkle; sparkling water works as well. Avoid very sweet sodas unless you reduce added sugar.
Garnish with a mint sprig, lime wedge or a thin watermelon slice for a pretty finish.
How To Make Watermelon And Mint Mojito
Preparation
Peel and cube about 1 lb (500 g) watermelon to yield roughly 300 g of cubed melon. Chill the cubes for a few hours if possible for a colder, brighter juice.
Place the chilled watermelon cubes in a large blender or food processor. Blend until smooth. A few seeds are fine since you will strain the juice to achieve a clear, smooth base.
Strain the blended watermelon through a fine-mesh strainer into a bowl or pitcher. Press with the back of a spoon to extract as much juice as possible and discard the pulp. Straining yields a cleaner, more elegant drink.
Make The Cocktail
In a large pitcher, add ¼ cup packed fresh mint leaves and gently muddle them with a muddler or the end of a wooden spoon to release their oils.
Stir in 4 tablespoons granulated sugar (or your preferred sweetener) and ½ cup freshly squeezed lime juice until the sugar dissolves. Add 8 fl oz (1 cup) white rum and the strained watermelon juice, then mix well.
Prepare tall glasses (the recipe yields about 4 servings). To each glass add 2–3 ice cubes, 2 lime slices and 2–3 mint leaves. Fill each glass halfway with the watermelon mixture, then top with chilled club soda. Garnish with a small watermelon wedge and mint sprig and serve immediately.
- Optional: add a few frozen watermelon cubes to keep drinks cold without diluting flavor.
Frequently Asked Questions
Pick a ripe, heavy watermelon. Look for a yellowish spot on the base where the melon rested on the ground, a darker green rind with minor blemishes, and a satisfying weight for its size. These signs usually indicate a sweet, juicy melon.
A mid-range white rum is ideal for a balanced mojito. Light rums provide a clean, neutral spirit profile that lets the watermelon and mint shine.
Pro Tips By Neha
Chill your serving glasses ahead of time to keep drinks cold longer.
Do not keep muddled mint sitting for too long; it can become bitter if over-muddled or held before serving.
To make a mocktail, leave out the rum and top the watermelon-lime base with more club soda or sparkling water.
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Watermelon Mint Mojito Recipe
Ingredients
- 300 grams cubed watermelon (chilled)
- ¼ cup fresh mint leaves (packed, plus more for garnish)
- 4 tablespoons granulated sugar (adjust to taste)
- ½ cup freshly squeezed lime juice
- 8 fl oz (1 cup) white rum (optional)
- Lime rounds, as required
- Chilled club soda, as required
- Ice cubes, as required
Instructions
- Add watermelon cubes to a blender or food processor and blend until smooth.
- Strain the blended watermelon through a fine-mesh strainer into a bowl or pitcher, pressing to extract the juice. Discard pulp.
- Muddle mint leaves in a large pitcher using a muddler or the back of a wooden spoon.
- Add sugar and lime juice to the pitcher and stir until sugar dissolves.
- Stir in white rum (if using) and the strained watermelon juice.
- Fill tall glasses with 2–3 ice cubes, 2 lime rounds and a few mint leaves. Pour the watermelon mixture to half-full and top with club soda.
- Garnish with a watermelon slice and mint sprig and serve immediately.
Video
A short demonstration video is available showing the blending, straining and assembly steps for this mojito.
Nutrition
Calories: 213 kcal; Carbohydrates: 20 g; Protein: 1 g; Fat: 0.2 g; Sugar: 17 g; Vitamin A: 522 IU; Vitamin C: 15 mg.