This delicious watermelon cocktail is made with fresh (store bought) watermelon juice, mint, basil, and light rum. It’s the perfect light summer cocktail, and it’s super easy to make.

A refreshing watermelon cocktail with fresh basil and mint leaves

I recently had the pleasure of experiencing a relaxing long weekend in Cabo San Lucas. I sampled more than a few delicious adult beverages while I was there, but my favorite was the watermelon cocktail with fresh herbs from Flora Farms.

It was light and refreshing, and not too strong or too sweet, which is exactly what I look for in a summer cocktail. I knew I’d be making it at home ASAP.

Thanks to the availability of fresh cold pressed watermelon water or watermelon juice at most grocery stores, it was super simple to re-create the recipe.

White marble tray with watermelon cocktails

If you prefer, you can make your own watermelon juice for this drink, but I find it a lot easier to buy it pre-made at the store.

Fresh watermelon juice can be on the pricey side, but you don’t need to use much in this cocktail, so a little goes a long way. Plus, it’s very hydrating, which is an added bonus if you’re enjoying this cocktail on a hot summer day.

The addition of fresh basil and fresh mint adds to the summery taste, and these herbs pair SO well with watermelon.

Use a muddler to get the most flavor out of the herbs.

Sliced limes and herbs

I also love the light rum in this recipe because the taste is really mild (in fact I hardly tasted it at all). There’s something about a summer cocktail with rum that just gives off an “instant vacation in a glass” vibe.

What type of rum should I use?

The type of rum you use in this cocktail is important. Look for a clear rum labeled “light rum,” “white rum,” or “silver rum.”

Avoid using gold rum or dark rum for this recipe, as the flavor will overpower the other ingredients.

Servings: 1

Easy Watermelon Cocktail

This delicious summer cocktail combines fresh watermelon juice, basil, mint, and light rum for a refreshing treat.


  • 4 oz watermelon water*
  • 2 oz light rum
  • 3 basil leaves
  • 3 mint leaves
  • ice


  • Using a muddler or a spoon, smash the basil and mint leaves into the bottom of a glass.
  • Add watermelon water, rum, and 2 oz water. 
  • Stir to combine. Fill the glass with ice, and serve.


Depending on the brand/type of watermelon juice you use, you may have to adjust the ingredients for sweetness. 

Nutrition Facts

Calories 167kcal (8%)Carbohydrates 9g (3%)Protein 1g (2%)Fat 1g (2%)Saturated Fat 1g (6%)Sodium 3mgPotassium 127mg (4%)Fiber 1g (4%)Sugar 7g (8%)Vitamin A 836IU (17%)Vitamin C 10mg (12%)Iron 1mg (6%)
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