
Guys, summer’s here and I’m all about that Fresh Watermelon Mojito life rn. Can’t even tell ya how many times I’ve mixed this up when friends come over. Something about watermelon and mint just WORKS. This homemade fresh watermelon mojito recipe has become my go-to drink whenever temps rise above 80. Been experimenting with cocktails for years but honestly this watermelon twist on the classic mojito might be the easiest summer drink you’ll ever make.
The combo of juicy watermelon with classic mojito ingredients creates this perfect balance that’s not too sweet, not too strong – just refreshing AF. If you keep reading, I’ll show you exactly how to nail this recipe every single time.

Why You’ll Absolutely Love This Fresh Watermelon Mojito
First time I made this fresh watermelon mojito was for my sister’s backyard bbq last summer – everyone kept asking for the recipe! What makes this drink special is how it solves the typical mojito problems – too much sugar, too much work with the muddling, or just boring after a few sips.
Last month my mom (who’s not even a big drinker) asked for seconds and then thirds lol. That’s when I knew this recipe was a keeper.
The best part? You can customize this drink depending on what you have. No fresh mint? Try basil. Want it boozier? Add more rum. Need a mocktail version? Skip the alcohol completely and it’s still amazing. Trust me, once you learn the basic recipe, you’ll be making variations all summer long.
Now let’s get into what you’ll need to make the best fresh watermelon mojito at home.

Ingredients for the Perfect Fresh Watermelon Mojito
For the Base:
- 4 cups cubed watermelon – seedless works best but regular is fine if you strain it. The sweeter the melon, the better your drink! Don’t bother with those pale watermelons that have no flavor.
- 10 fresh mint leaves – spearmint gives the most authentic mojito taste but any mint works. If leaves are small, use a few extra.
- 2 tbsp sugar – regular white granulated is fine but raw sugar adds nice depth. Can sub with honey or agave if you prefer.
- 4 oz white rum – nothing fancy needed! A mid-range white rum does the job perfectly. Can double this if you want stronger drinks lol.
- 2 limes – need both juice and slices for garnish. Try to get juicy ones.
- Club soda or sparkling water – about 1 cup total, but adjust to taste depending how strong you want it.
- Ice cubes – plenty of em!
Optional Add-ins:
- Splash of simple syrup if your watermelon isn’t sweet enough
- Extra lime wedges for garnish
- Additional mint sprigs for that Insta-worthy presentation
- Splash of orange liqueur if you want to get fancy
If you’re making my Mint Mojito Iced Tea Recipe regularly, you’ll already have most of these ingredients on hand!

How to Make a Killer Fresh Watermelon Mojito
Step 1: Prep Your Watermelon
- Cut watermelon into chunks, removing any seeds if not using seedless.
- Throw the chunks in a blender and pulse until smooth.
- Pour through a strainer to remove pulp (unless you prefer it pulpy like me).
- You should end up with about 2 cups of watermelon juice.
Pro tip: Refrigerate watermelon before cutting – cold watermelon makes the drink so much better!
Step 2: Muddle the Mint
- Place mint leaves in bottom of pitcher.
- Add sugar directly onto leaves.
- Using muddler or wooden spoon, gently press and twist to release oils from mint. Don’t shred the leaves! Just press until you smell that minty goodness.
- The sugar helps break down the leaves by creating friction – you’ll notice it turning slightly green when done right.
Step 3: Build Your Mojitos
- Add lime juice (about 2-3 tbsp or juice from both limes).
- Pour in rum and stir to dissolve remaining sugar.
- Add watermelon juice and stir well.
- Taste and adjust – more sugar if not sweet enough, more lime if too sweet.
Step 4: Serve It Right
- Fill glasses with ice – lots of it!
- Pour mojito mixture about 3/4 full.
- Top with splash of club soda for fizz.
- Garnish with lime wedge and extra mint if you’re feeling fancy.
- Drink should look bright pink with flecks of green mint. If color isn’t vibrant, your watermelon prolly wasn’t ripe enough.
This fresh watermelon mojito is best served immediately while cold and fizzy!
Tasty Variations to Try
Spicy Watermelon Mojito
Add thin slices of jalapeño when muddling mint – the heat plays amazingly with the cool watermelon. Tried this at a bbq last weekend and it was gone in minutes!
Frozen Fresh Watermelon Mojito
Freeze watermelon chunks overnight, then blend everything together for a slushy version. Perfect for those 95+ degree days when nothing else cools you down.
Berry Watermelon Mojito
Add handful of strawberries or raspberries to the blender with watermelon. The color turns gorgeous and adds another layer of flavor.
Coconut Watermelon Mojito
Replace half the club soda with coconut water for tropical vibes. If you loved my Green Apple Soda Recipe, this combo will be right up your alley!
Cucumber Watermelon Mojito
Add few slices of cucumber when muddling – creates the most refreshing drink ever. Seriously underrated combo!
FAQ: Everything You Need To Know About Fresh Watermelon Mojitos
How do I pick the best watermelon for mojitos?
Look for watermelon that feels heavy for its size with a yellowish spot where it sat on ground. Should sound hollow when tapped. For mojitos, sweetness matters more than anything so don’t be afraid to taste test before using!
Can I make fresh watermelon mojitos ahead of time?
You can prep watermelon juice and store in fridge up to 24 hrs. But don’t add mint, lime or club soda until serving time or you’ll lose the fizz and freshness. Assemble final drink just before serving for best results.
How long does watermelon juice last in the fridge?
Watermelon juice stays good about 3-4 days in sealed container. It might separate a bit but just shake before using. If it smells off or has bubbles, toss it!
What’s the best rum for watermelon mojitos?
Bacardi white rum works great and is affordable. Don’t waste expensive aged rum here – save that for sipping. The watermelon flavor is dominant anyway so mid-range white rum is perfect.
How can I make this into a mocktail?
Super easy! Skip rum and add extra club soda instead. Can also add splash of coconut water or pineapple juice to replace that complexity from the rum. My pregnant sister loved this version last summer.
Why is my watermelon mojito not pink enough?
Probably using watermelon that’s not ripe enough. Center of watermelon should be deep red/pink. If using pale watermelon, can add tiny drop of grenadine to enhance color but careful not to make too sweet.
Can I use frozen watermelon instead of fresh?
Absolutely! Actually works really well. Let frozen chunks thaw slightly before blending or you’ll end up with slushy (which isn’t bad either!). Frozen watermelon sometimes tastes sweeter too since it’s usually frozen at peak ripeness.
Final Thoughts on Fresh Watermelon Mojitos
First time I served these fresh watermelon mojitos was at my dad’s 60th birthday. He’s always been a beer guy but took one sip and said “this is what summer tastes like.” That moment pretty much sums up what makes this drink special.
There’s something about combining traditional mojito elements with sweet watermelon that just works on every level. Maybe it’s nostalgia of summer watermelons or just the perfect balance of sweet, sour, minty and refreshing.
Whatever you do, make this recipe your own. Add more rum if that’s your thing. Throw in different fruits if you’re feeling creative. The base recipe is solid but flexible enough to play with.
Honestly can’t imagine a summer get-together without a pitcher of these fresh watermelon mojitos anymore. Let me know if you try them – bet they’ll become your summer tradition too!

Fresh Watermelon Mojito
Equipment
- Blender
- Muddler
- Pitcher
- Strainer
Ingredients
- 4 cups cubed watermelon
- 10 fresh mint leaves
- 2 tbsp sugar
- 4 oz white rum
- 2 limes juice and slices for garnish
- 1 cup club soda or sparkling water
- Ice cubes
Optional Add-ins:
- Splash of simple syrup if watermelon isn’t sweet enough
- Extra lime wedges for garnish
- Additional mint sprigs for garnish
- Splash of orange liqueur
Instructions
- Cut watermelon into chunks and blend until smooth. Strain the juice.
- Muddle mint leaves and sugar together in a pitcher to release mint oils.
- Add lime juice, rum, and watermelon juice to the pitcher. Stir until sugar dissolves.
- Taste and adjust sweetness with more sugar or lime if needed.
- Serve in glasses filled with ice. Top with club soda for fizz.
- Garnish with lime wedges and mint sprigs.