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Home » Recipes » Cocktails

Watermelon Cocktail

Modified: Apr 25, 2025 · Published: May 7, 2019 by Heather · As an Amazon Associate I earn from qualifying purchases. · 496 words. · About 3 minutes to read this article.

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You're going to love this light and refreshing watermelon juice cocktail recipe. It's made from scratch using fresh watermelon juice. Sure to be your new favorite summer cocktail!

Close up of cocktail in a highball glass, with mint leaves

This watermelon cocktail will be your go-to drink for the summer. A refreshing and sweet cocktail, it's made with fresh watermelon and lime juice served over ice.

Triple sec is an orange flavored liqueur that adds just a hint of citrus flavor that pairs well with watermelon. I chose vodka for this recipe but you're welcome to use rum instead if you prefer.

Serve a batch of watermelon cocktails at your next summer pool party or picnic, like the Fourth of July.

Ingredients and substitutions

Two glasses filled with an alcoholic beverage
  • Watermelon - Fresh seedless or seeded watermelon works in this recipe. If your watermelon has any black seeds, you'll want to remove those before blending.
  • Vodka - Use your favorite brand that you enjoy in cocktails.
  • Triple sec - Any orange flavored liqueur works in this recipe, like Cointreau or Grand Marnier.
  • Limes - I recommend using fresh squeezed lime juice for best flavor.

What kind of watermelon should I use?

I've tried this recipe with both seedless and seeded watermelon. Both work but you'll want to remove any black seeds before blending your watermelon.

Technically, you can blend watermelon seeds. They're also perfectly fine to eat. However, I recommend removing them beforehand. Any soft white seeds (which are just immature black seeds) do not need to be removed.

You'll also be straining your watermelon juice through a fine mesh sieve, which catches any remaining seed pieces.

Two watermelon cocktails on a countertop

Blending watermelon

First, cut your watermelon into chunks and toss them in the blender. Then, pulse gently a few times to get the watermelon started.

After that, it takes only a few seconds for the watermelon to blend into a smooth slushy liquid.

Once your watermelon is liquefied, you're going to need to strain it through a fine mesh sieve before adding it to your drink. Any watermelon pulp left over in your sieve can be discarded.

Garnishes

  • Mint leaves
  • Orange slice
  • Lime wedge
  • Cube of watermelon

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📖 Recipe

Close up of cocktail in a highball glass, with mint leaves
Print Recipe
5 from 7 reviews

Watermelon Cocktail

Light and refreshing, you'll love this easy to make Watermelon Cocktail. Made from scratch using watermelon juice, lime juice, vodka, and triple sec.
Prep Time10 minutes minutes
Total Time10 minutes minutes
Servings: 2 drinks
Calories: 317kcal
Author: Heather

Ingredients

  • 1 pound seedless watermelon cubes
  • 3 ounces vodka
  • 3 ounces triple sec
  • 2 limes, juiced
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Instructions

  • To a blender add cubed watermelon. Pulse until liquefied. Strain through a fine mesh sieve. 
  • Combine watermelon juice, vodka, triple sec, and lime juice in a cocktail shaker with ice. Shake until combined. Pour over ice in a highball glass. Serve and enjoy.

Equipment Recommendations

  • Highball Glasses
  • Blender
  • 9" Fine Mesh Strainer
  • Stainless Steel Double Jigger

Notes

  • Conversion: 1 pound of cubed watermelon = about 3 cups
  • Deseed: Remove any black seeds from your watermelon before blending. Soft white seeds are fine.
  • Substitutions: Vodka can be substituted with your favorite clear rum.
  • Garnishing ideas: Fresh mint leaves, a cube of watermelon on the rim, or an orange slice.

Nutrition Estimate

Serving: 1drink | Calories: 317kcal | Carbohydrates: 38g | Protein: 2g | Fat: 1g | Saturated Fat: 0.1g | Polyunsaturated Fat: 0.2g | Monounsaturated Fat: 0.1g | Sodium: 7mg | Potassium: 336mg | Fiber: 3g | Sugar: 29g | Vitamin A: 1324IU | Vitamin C: 38mg | Calcium: 38mg | Iron: 1mg
Course: Drinks
Cuisine: American

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    5 from 7 votes (7 ratings without comment)

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  1. Kim

    August 22, 2021 at 11:29 am

    I just made these last night. It's August and watermelons are at their best, and I have a cold and was craving this kind of medicine! Was delicious, just the right amount of sweet, the amount of lime juice was perfect and didn't take away from the watermelon flavor.

    Reply

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Heather of The Toasty Kitchen

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I love cooking with simple, everyday ingredients and want to help you make homemade meals with ease.

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