Watermelon Mojito

1 servings
4 min

Cool, minty, and bursting with juicy watermelon flavor, our Watermelon Mojito is the perfect summer cocktail to sip on a hot day. It takes everything you love about a classic mojito — fresh lime juice, muddled mint, and a splash of white rum — and gives it a juicy twist with fresh watermelon juice.

Watermelon Mojito Served with Fresh Mint and Cubed Watermelon

Serve it from a large pitcher at your next backyard party or mix one up after a long day, this watermelon mojito recipe is light, vibrant, and made with simple ingredients. Top with club soda or ginger ale for a little fizz, and don’t forget a sprig of mint and watermelon cubes to finish it off.

Mojitos are one of my favorite cocktails, so adding a fun twist to it was a no-brainer. Here are some other cocktails you might like with a watermelon profile: Watermelon Basil Margarita, Watermelon Moscow Mule, Watermelon Sangria, Watermelon Punch, Watermelon Sour and Watermelon Vodka Cocktail. We made all these from our Fresh Watermelon Juice recipe.


Why You Will Love This Watermelon Mojito


  • Naturally Refreshing: Mint and watermelon are a summer power couple.
  • Simple to Make: Just a few ingredients, no fancy tools required.
  • Light and Flavorful: Great for day drinking or summer evenings.
  • Easy to Scale Up: Make a big batch in a pitcher for a crowd.
  • Endlessly Customizable: Swap the spirit or make it a mocktail with soda water.


Ingredients


A short trip to the grocery store for this simple cocktail.

Watermelon Mojito Ingredients

See the recipe card below for the exact quantities of each ingredient.


  • Fresh Mint Leaves: Adds a crisp, cooling mint flavor that defines the mojito.
  • Watermelon Juice: Use blended watermelon strained through a fine-mesh strainer for best results.
  • Light Rum: Also called white rum, it keeps the flavor clean and not too heavy.
  • Simple Syrup: Balances the citrus and brings out the fruit's sweetness.
  • Fresh Lime Juice: Brightens the cocktail and cuts through the sweetness.
  • Club Soda, Optionals: Adds bubbles and makes it extra refreshing.


For this easy recipe, you'll want to have on hand a cocktail shaker, shot glasses, spouted measuring cup, measuring spoon, and muddler.


Substitutions and Variations


Looking to mix up this cocktail a little differently next time? Here are some ideas to inspire you.


  • Coconut Rum: Swap for light rum to add a tropical twist.
  • Ginger Ale: Use in place of club soda for a spicier fizz.
  • Mocktail Version: Skip the rum and add extra soda water or lemonade.
  • Add Fruit: Muddle a few strawberries or cucumber slices for more complexity.
  • Use Frozen Watermelon: Works well as ice cubes that won’t dilute the drink.


How to Make a Watermelon Mojito


Look at how simple it was to make this quick cocktail.

Watermelon Mojito Ingredients Added to Cocktail Shaker and Poured
Watermelon Mojito Shaken and Poured into Glass

In a cocktail shaker add mint leave and muddle about 5-6 times to release some of the oils.

Fill about halfway with ice, then add watermelon juice, rum, simple syrup and half a lime (or more).

Shake until chilled and strain into a glass with ice.

Garnish with watermelon cubes and fresh mint leaves.

If desired, top with club soda.

Hint: Use ripe watermelon — a good watermelon has deep color, firm flesh, and plenty of juice.

Watermelon Mojito Served with Fresh Mint and Cubed Watermelon
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How to Serve a Watermelon Mojito


This bright and bubbly cocktail is best served in a way that shows off its fresh ingredients and vibrant color.


  • Shaken: Shaken — give it a quick shake in a cocktail shaker with ice to chill and blend before pouring over fresh ice.
  • Glass: A classic mojito is served in a highball glass or tall Collins glass to allow plenty of room for club soda, mint, and ice. We serve our watermelon version in a lowball for casual gatherings.
  • Garnishes: Top with fresh mint leaves, a few small watermelon cubes, and a lime wheel or wedge. For a festive touch, add a watermelon slice perched on the rim or a mint sprig tucked into the ice for aroma.


What to Serve with a Watermelon Mojito


  • Watermelon Feta Salad: A refreshing, sweet-savory combo.
  • Guacamole and Chips: Fresh and salty, ideal with minty cocktails.
  • Grilled Shrimp Skewers: Light and zesty, a perfect pairing for rum.
  • Mini Cheese Balls: Easy-to-grab bites with a salty kick.
  • Crispy Fish Tacos: Let the mojito cleanse the palate after each spicy bite.
  • Strawberry Rhubarb Dump Cake: Sweet and tangy with a soft, fruity finish — perfect for a summer nightcap.
  • Red, White and Blue Cookies: Buttery and festive with pops of M&M’s — fun for any outdoor gathering or casual BBQ.
  • Lemon Blueberry Dump Cake: Bright, citrusy flavors that echo the mojito’s freshness.
  • Vanilla Cake Mix Cookies: Simple and soft-baked with just the right amount of sweetness for a laid-back dessert pairing.
  • Chocolate Chip Brownie Bars: Rich and fudgy — great if you want a little indulgence alongside your light and minty cocktail.
Watermelon Mojito Served with Fresh Mint and Cubed Watermelon
Top Tips


Here are our best tips for making the freshest cocktail.


  • Muddle Gently: Use the end of a wooden spoon or a muddler and press mint leaves 5–6 times, with firm pressure but not too hard, to release oils.
  • Chill Everything First: Cold ingredients = less ice melt and more flavor.
  • Adjust Sweetness: Taste before adding more simple syrup — especially if your watermelon juice is extra sweet.


Frequently Asked Questions About Watermelon Mojitos


Do you have questions about our watermelon mojito?


How do I make watermelon juice at home?

Blend seedless watermelon chunks in a food processor or blender, then strain for a smooth juice.

Can I make this in a large pitcher?

Yes — just multiply the ingredients, muddle the mint at the bottom of the pitcher, and stir before serving over ice.

Does this cocktail need to be shaken?

Shaking helps chill and mix, but you can also stir well if you're skipping the shaker.

Can I use store-bought watermelon juice?

Yes, although we recommend homemade if you can, for the freshest taste and best texture.

Watermelon Mojito Served with Fresh Mint and Cubed Watermelon
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Watermelon Mojito Served with Fresh Mint and Cubed Watermelon
Recipe details
  • 1  servings
  • Prep time: 2 Minutes Cook time: 2 Minutes Total time: 4 min
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Ingredients

  • 4-6 fresh mint leaves
  • 4 ounces watermelon juice
  • 2 ounces light rum
  • 1 ounce simple syrup
  • 1 tablespoon lime juice freshly squeezed (about 1/2 lime)
  • club soda if desired
Tips
  • Use ripe watermelon — a good watermelon has deep color, firm flesh, and plenty of juice.
  • Use the end of a wooden spoon or a muddler and press mint leaves 5–6 times, with firm pressure but not too hard, to release oils.
  • Cold ingredients = less ice melt and more flavor.
  • Taste before adding more simple syrup — especially if your watermelon juice is extra sweet.
My Rad Kitchen | Eva
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