The first time I made this watermelon agua fresca on a scorching summer day, my family couldn't stop asking for refills! This simple Mexican drink combines juicy watermelon, fresh lime, and just a touch of sweetener for the most refreshing beverage you'll ever taste.
I've perfected this recipe through countless batches, and I promise it takes just 10 minutes to make. The vibrant pink color alone makes it worth trying, but the naturally sweet, cool, and hydrating flavor will have you making this all summer long.
It's become our go-to drink for backyard barbecues, pool parties, or just hot afternoons when we need something special to cool down with.

Why You'll Love This Recipe
✅ Naturally Sweet - Ripe watermelon provides all the sweetness you need, with options to customize to your taste preferences.
✅ Super Hydrating - Watermelon is 92% water, making this drink incredibly refreshing and perfect for hot weather hydration.
✅ Quick & Easy - Ready in just 10 minutes with minimal effort and simple, accessible ingredients.
✅ Kid-Friendly - A beautiful alcohol-free beverage that everyone can enjoy, making it perfect for family gatherings.
✅ Customizable - Easily adjust the sweetness and consistency to your preference, with multiple options for sweeteners.
✅ Nutrient-Rich - Packed with vitamins A, C, and antioxidants from fresh watermelon and lime.
✅ Make-Ahead Friendly - Prepare a pitcher in advance for parties and gatherings, saving you time when entertaining.
✅ Visually Stunning - The vibrant pink color with green garnishes makes for an Instagram-worthy presentation without any artificial colors.
Ingredients
I chose these simple ingredients to create the perfect balance of flavors. Sweet, juicy watermelon forms the base, while fresh lime adds a zingy brightness that makes the drink come alive. Water helps achieve the ideal consistency without diluting the flavor.
I include multiple sweetener options because everyone's preference is different, and the watermelon's natural sweetness often varies. The mint and lime garnishes aren't just for looks, they add aromatic notes that elevate this simple drink into something special.

- 4 cups fresh watermelon, cubed - The star ingredient that provides natural sweetness and vibrant color. Choose a ripe, seedless watermelon for best results.
- 2 cups water - Creates the perfect consistency and helps stretch the watermelon flavor.
- ¼ cup fresh lime juice - Adds brightness and balances the sweetness of the watermelon.
- Sweetener options (optional):
- 1-3 tablespoons honey - A natural sweetener with subtle floral notes
- 1-3 tablespoons powdered monkfruit sweetener - Zero-calorie natural option with no aftertaste
- 1-3 tablespoons sugar - Traditional option for those who prefer it
- A few drops liquid stevia - Concentrated zero-calorie alternative
- Garnishes:
- Fresh mint sprigs
- Lime wheels
- Small watermelon wedges
Equipment
- High-Speed Blender - Essential for creating a smooth puree from the watermelon chunks. The higher the power, the smoother your agua fresca will be. This is the most important tool for this recipe as it breaks down the watermelon flesh efficiently.
- Fine Mesh Strainer - Used to remove pulp and achieve a smoother consistency. Choose a medium to fine mesh size depending on your texture preference. Skip this if you prefer a more nutrient-dense drink with natural fiber.
- Pitcher - For serving and storing your agua fresca. A clear glass pitcher shows off the beautiful color of the drink. Look for one with a 6-8 cup capacity for this recipe.
- Measuring Cups and Spoons - For accurately measuring ingredients to ensure balanced flavor.
- Citrus Juicer or Reamer - Makes extracting fresh lime juice quicker and easier.
- Sharp Knife and Cutting Board - For cutting watermelon and preparing garnishes.
- Long-handled Spoon - For stirring and mixing the final drink in the pitcher.

How To Make
- Place your watermelon cubes, 1 cup of water, and sweetener (if using) into your blender and blend until completely smooth, about 30-60 seconds. Taste the mixture and add more sweetener if needed, giving it another quick blend.
- Pour the blended watermelon through a fine-mesh strainer into a pitcher, using the back of a spoon to gently press out all the liquid (skip this step if you prefer a more nutritious drink with more texture). Add the remaining cup of water and all the lime juice to the pitcher, then stir everything together well.
- You can serve immediately over ice or refrigerate until you're ready to enjoy. When serving, pour into ice-filled glasses and garnish with mint sprigs, lime wheels, or small watermelon wedges for a beautiful presentation.
- For the best flavor, enjoy within 3 days, giving the pitcher a quick stir before pouring if it has been sitting in the refrigerator.
Substitutions
- Watermelon: If fresh isn't available, use frozen watermelon chunks (fully defrosted). In a pinch, you can use 100% watermelon juice, though the flavor won't be quite as vibrant.
- Lime juice: Lemon juice works as a substitute, offering a slightly different but still complementary citrus note. For a milder citrus flavor, try orange juice.
- Sweeteners: Any liquid sweetener works well—agave nectar, maple syrup, or simple syrup are all good options. For diabetic-friendly versions, erythritol or allulose are excellent alternatives to the suggested sweeteners.

Top Tips
- Choose the right watermelon: Look for a watermelon that feels heavy for its size and has a yellow spot on one side (where it sat on the ground to ripen). When you tap it, it should sound hollow, indicating ripeness.
- Ice cubes trick: Make watermelon ice cubes by freezing some of the strained juice in an ice cube tray. Use these instead of regular ice cubes to prevent dilution as they melt.
- Balanced sweetness: Remember that watermelon varies in sweetness depending on ripeness and variety. Always start with less sweetener and adjust to taste.
- Texture options: For maximum health benefits, skip the straining step entirely. For a silky-smooth restaurant-quality drink, strain twice through progressively finer strainers.
- Serving suggestion: Pre-chill your glasses in the freezer for 10-15 minutes before serving for an extra-refreshing experience.
- Garnish timing: Add mint garnishes just before serving to prevent wilting and maintain visual appeal.
- Flavor infusion: For a more pronounced mint flavor, muddle a few mint leaves in the pitcher before adding the blended watermelon.

FAQ
Yes! This drink is packed with naturally occurring vitamins A, C, and antioxidants like lycopene. It's hydrating and, when made without added sweeteners, is low in calories. For maximum health benefits, skip the straining step to retain the natural fiber.
Ideally, yes. Seedless watermelon makes preparation easier, but it's not essential. If using seeded watermelon, remove larger black seeds before blending. The small white seeds will blend seamlessly and don't affect the flavor.
Up to 3 days. Store in a tightly sealed container in the refrigerator. Natural separation may occur—simply stir before serving. For best flavor and color, consume within 48 hours.
Absolutely! It's perfect for make-ahead preparation. Store in a covered pitcher in the refrigerator for up to 3 days, stirring before serving. Add fresh garnishes just before serving for the best presentation.
Not naturally. Watermelon contains natural sugars that make it higher in carbs than allowed on most keto diets. For a lower-carb version, use less watermelon, more water, and a keto-friendly sweetener like monkfruit or stevia.
Yes! While this recipe is designed as a family-friendly mocktail, adults can add 1-2 oz of white rum, vodka, or tequila per serving for an alcoholic version. Silver tequila pairs particularly well with the watermelon and lime flavors.
Yes. A regular blender will work, but you may need to blend longer to achieve a smooth consistency. You might also want to cut the watermelon into smaller pieces and consider straining the final product.
Related
Looking for other recipes like this? Try these:

Refreshing Watermelon Agua Fresca
Ingredients
- 4 cups fresh watermelon cubed - The star ingredient that provides natural sweetness and vibrant color. Choose a ripe, seedless watermelon for best results.
- 2 cups water - Creates the perfect consistency and helps stretch the watermelon flavor.
- ¼ cup fresh lime juice - Adds brightness and balances the sweetness of the watermelon.
Sweetener options (optional):
- 1-3 tablespoons honey - A natural sweetener with subtle floral notes
- 1-3 tablespoons powdered monkfruit sweetener - Zero-calorie natural option with no aftertaste
- 1-3 tablespoons sugar - Traditional option for those who prefer it
- A few drops liquid stevia - Concentrated zero-calorie alternative
Garnishes:
- Fresh mint sprigs
- Lime wheels
- Small watermelon wedges
Instructions
- Place your watermelon cubes, 1 cup of water, and sweetener (if using) into your blender and blend until completely smooth, about 30-60 seconds. Taste the mixture and add more sweetener if needed, giving it another quick blend.
- Pour the blended watermelon through a fine-mesh strainer into a pitcher, using the back of a spoon to gently press out all the liquid (skip this step if you prefer a more nutritious drink with more texture). Add the remaining cup of water and all the lime juice to the pitcher, then stir everything together well.
- You can serve immediately over ice or refrigerate until you're ready to enjoy. When serving, pour into ice-filled glasses and garnish with mint sprigs, lime wheels, or small watermelon wedges for a beautiful presentation.
- For the best flavor, enjoy within 3 days, giving the pitcher a quick stir before pouring if it has been sitting in the refrigerator.

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