Easy Watermelon Mojito Recipe
A watermelon mojito is a classic Mojito mixed with watermelon to give it a different summer drink twist! With just 4 main ingredients this cocktail takes only 5 minutes to make.

If you’re hosting a summer party this weekend and want to expand your drink menu beyond beer and wine, consider a pair of mojitos that are made with fresh watermelon.
Why make this mojito
- It’s a fun and refreshing drink!
- And it really takes just minutes to make from scratch.
- Also, most of the ingredients are easy to find or pantry staples.
- Of course, fresh watermelon is used, but feel free to use frozen watermelon too.
- It’s a crowd-pleaser. You can make one drink for yourself or a large pitcher to feed a crowd. (details below)
- Sometimes, I freeze watermelon cubes or balls to use instead of ice cubes. It looks so much prettier when serving to guests.

Ingredients and substitutes
- Watermelon -The best watermelons are the ones that are bright red and juicy. A good practice is to let the grocer cut and check before you buy, so you know that you’re getting a good one. I like to strain the pureed watermelon through a fine mesh sieve because it looks nicer and it’s smoother to drink. Having said that, the pulp is a good fiber and good for you.
- Rum – Ideally, mojitos are made with good quality light rum such as Bacardi (does not have to be expensive, but find the best that money can buy).
- Sugar – My personal preference for cocktails is simple syrup, but most people don’t usually have sugar syrup lying around. So it’s also just easy to use white sugar. And to make a simple syrup, boil sugar and water in a small saucepan until it’s all dissolved. To make it sugar-free, you can add sweeteners. Alternatively, you can also use agave nectar or honey.
- Juice – I’ve always used tart lime juice to make the classic mojitos, but I think lemon juice also works wonderfully with strawberries.
- Mint – Fresh mint leaves add a nice, refreshing flavor to the drink. But you can omit any herb if you do not like mint.
- Vanilla – Is usually used in traditional mojitos, but I don’t usually use it in my fruit combos.
- Water – You can use sparkling water or club soda. I often like to use tonic water or ginger ale. But if you don’t like the fizz, you can also simply use tap water.
- Garnish – I like to use fresh strawberries, a lime slice, lemon wedges, and mint or basil leaves.

Step-by-step: Watermelon mojito
One drink
- Watermelon juice – Peel and roughly chop the watermelon. Add to a blender and blend until smooth. Pass through a sieve to remove fiber.
- Add the mint to a cocktail shaker or tall glass and muddle it with a wooden muddler. Then, add the chilled watermelon juice, lemon juice, sugar, and rum. Top with sparkling water. Garnish with a watermelon wedge, lemon slices, and mint leaves.
Pro tip – I used chilled watermelon juice without ice, but it is better to serve this drink over ice.

Pitcher (6 drinks)
- To a blender or food processor, add the watermelon, sugar, lemon juice, and a few mint leaves. Strain into a large pitcher and add the rum. Stir well to combine. Keep chilled until ready to use.
Pro tip – You can also prepare this base a few hours ahead of time and leave it in the refrigerator to chill. - When ready to serve, top the pitcher with sparkling water or club soda. Pour into tall glasses with ice cubes. Garnish with more mint leaves, lime wedges, and watermelon wedges.
Pro tip – For those who do not want the mashed fruit, you can strain it out.

Once you add the sparkling water, it is best to drink it immediately. But you can make the base (before adding the sparkling water) and keep it in the refrigerator for up to 3 days.
Yes, a mojito is made with white rum, lime or lemon juice, simple syrup, and sparkling water. Today, we give it a fruit twist with fresh watermelon. You can also use other fruits like blueberries to make a blueberry mojito or strawberries to make a strawberry mojito

Watermelon Mojito
Mojitos are a classic Cuban cocktail, and the strawberry mojito has a unique flavor and appearance. This sweet cocktail, made with fresh strawberries and lime, is easy to prepare at home with just a few ingredients.
Video
Ingredients
- ½ cup Watermelon juice plus more for garnish
- 30 ml (2 tbsp) Lemon juice
- 1 tsp White sugar or 30 ml/2 tbsp simple syrup
- 60 Ml White rum
- 4 Mint leaves plus more for garnish
- ½ cup (120 ml) Sparkling water club soda
- 4 cups (144 g) Watermelon juice from 8 cups chopped watermelon
- ½ cup (120 ml) Lemon juice
- ¼ cup (50 g) White sugar
- 1½ cup (360 ml) White rum
- 2 sprigs Mint leaves Plus more for garnish
- 3 cup (700 ml) Sparkling water club soda
- Lemon wedges or lemon slices
- Watermelon wedge
- Sprig of mint
Method
- Watermelon juice – Peel and roughly chop the watermelon. Add to a blender and blend until smooth. Pass through a sieve to remove fiber.
- Add the mint to a cocktail shaker or tall glass and muddle them with a wooden muddler. Then, add the chilled watermelon juice, lemon juice, sugar, and rum. Top with sparkling water. Garnish with a watermelon wedge, lemon slices, and mint leaves. Pro tip – I used chilled watermelon juice without not ice but it is better to serve this drink over ice.½ cup Watermelon juice, 30 ml Lemon juice, 1 tsp White sugar, 60 Ml White rum, 4 Mint leaves
- To a blender or food processor, add the watermelon, sugar, lemon juice, and a few mint leaves. Strain into a large pitcher and add the rum. Stir well to combine. Keep chilled until ready to use. Pro tip – You can also prepare this base a few hours ahead of time and leave it in the refrigerator to chill.4 cups Watermelon juice, ½ cup Lemon juice, ¼ cup White sugar, 1½ cup White rum , 2 sprigs Mint leaves
- When ready to serve, top the pitcher with sparkling water or club soda. Pour into tall glasses with ice cubes. Garnish with more mint leaves, lime wedges, and watermelon wedges. Pro tip – For those who do not want the mashed fruit you can strain it out.3 cup Sparkling water, Lemon wedges or lemon slices
Nutrition
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Such a refreshing summery drink! It’s on my radar to make this weekend!
I had leftover watermelon and decided to make this mojito with it. It came out so good! Can’t wait to make it again! Thanks for the recipe!
Thank you, Ana.
So refreshing for summer – cheers!
Perfectly flavored cocktail! I love that it only takes 5 minutes to make!
This was such a cool and refreshing cocktail with the perfect amount of kick! Exactly what I needed for a hot summer day; looking forward to enjoying this all summer long!