Frozen Watermelon Margarita

This frozen watermelon margarita is the most refreshing summer drink you will make all season. Fresh watermelon gets frozen into cubes, then blended with tequila, triple sec, lime juice, and just enough agave to balance the tartness. No ice needed. The watermelon cubes are the only frozen element, which means the drink stays thick and slushy without getting watered down. It tastes like a pool party in a glass, and it takes about 10 minutes from start to first sip.

Why You’ll Love This Frozen Watermelon Margarita

• No ice means no watered-down margarita. The watermelon IS the ice.
• Naturally sweet from the fruit, so you need very little added sweetener
• Make the watermelon cubes days ahead and blend drinks on demand
• Easily doubled or tripled for a crowd
• The pink color looks gorgeous in a salt-rimmed glass
• Kids can have a version without the tequila. Just blend the watermelon with lime and agave.

Ingredients

• 4 cups seedless watermelon, cubed and frozen (Cut into 1-inch cubes and freeze on a sheet pan for at least 4 hours or overnight.)
• 1 cup (8 ounces) blanco tequila (silver) (A mid-range tequila works best. Do not use reposado, the oak flavor fights with the watermelon.)
• 1/2 cup (4 ounces) triple sec (or Cointreau) (Cointreau gives a cleaner orange flavor. Triple sec is fine and more affordable.)
• 1/4 cup (about 3 limes) fresh lime juice (Bottled lime juice will make this taste flat. Fresh only.)
• 2 tablespoons agave syrup (Adjust to taste based on how sweet your watermelon is. Start with 1 tablespoon and add more after blending.)
• for rimming kosher salt or Tajin (Tajin adds a chili-lime kick that pairs perfectly with watermelon.)
• for garnish lime wedges (One wedge per glass.)

Equipment

• Blender (a high-speed blender works best)
• Sheet pan for freezing watermelon
• Citrus juicer
• Jigger or measuring cup
• Margarita glasses or wide-mouth jars

How to Make Frozen Watermelon Margarita

Step 1 — Freeze the watermelon

Cut the watermelon into 1-inch cubes, removing any seeds you find even in seedless varieties. Spread the cubes in a single layer on a parchment-lined sheet pan. Freeze for at least 4 hours or overnight. Once frozen solid, you can transfer them to a zip-top bag and store in the freezer for up to 3 months.

Step 2 — Rim the glasses

Run a lime wedge around the rim of each glass. Pour kosher salt or Tajin onto a small plate. Dip the moistened rim into the salt, rotating to coat evenly. Set the glasses aside. Do this right before serving so the salt does not dissolve.

Step 3 — Blend the margaritas

Add the frozen watermelon cubes, tequila, triple sec, lime juice, and agave syrup to a blender. Start on low speed for 10 seconds to break up the fruit, then increase to high and blend for 30 to 45 seconds until completely smooth and slushy. If your blender is struggling, add 2 tablespoons of water or lime juice to get things moving. Taste and adjust sweetness with more agave if needed.

Step 4 — Adjust the consistency

The drink should be thick like a slushy. If it is too thin, add more frozen watermelon cubes 1/2 cup at a time and blend again. If it is too thick to pour, add triple sec 1 tablespoon at a time until it reaches the right consistency. Do not add ice. It will dilute the flavor.

Step 5 — Pour and serve

Pour the frozen margarita into the salt-rimmed glasses. Garnish each glass with a lime wedge on the rim. Serve immediately with straws. These go fast.

Pro Tips

The sweetness of watermelon varies wildly. Always taste your watermelon before freezing. If it is very sweet, reduce the agave to 1 tablespoon. If it is bland, you may need 3 tablespoons.

Freeze the watermelon on a sheet pan first before transferring to a bag. If you dump all the cubes into a bag fresh, they will freeze into one solid block that is impossible to separate.

A high-speed blender like a Vitamix makes the smoothest frozen margarita. A regular blender works but you may need to stop and stir a few times, and the texture will be slightly more icy.

For a party, freeze the watermelon cubes ahead of time and pre-measure the tequila, triple sec, and lime juice into a pitcher. When guests arrive, just blend and pour. Takes 3 minutes.

Chill your glasses in the freezer for 15 minutes before serving. A frosty glass keeps the drink cold longer.

Variations & Substitutions

**Spicy Watermelon Margarita:** Add 2 slices of fresh jalapeno (seeds removed) to the blender. Rim the glasses with Tajin instead of salt.

**Strawberry Watermelon Margarita:** Replace 1 cup of the frozen watermelon with frozen strawberries. The color turns a deeper red and the flavor gets more complex.

**Frozen Watermelon Margarita Pitcher:** Multiply the recipe by 3 and blend in batches. Pour into a large pitcher and keep in the freezer. Stir before serving. Stays slushy for about 2 hours.

**Virgin Watermelon Margarita:** Skip the tequila and triple sec. Add 1/4 cup of coconut water and a splash of orange juice. Kids and non-drinkers love this version.

Storage & Reheating

Frozen watermelon cubes keep in a zip-top bag in the freezer for up to 3 months. Blended margaritas do not store well because they melt and separate. If you have leftover blended margarita, pour it into popsicle molds for watermelon margarita popsicles. Seriously, these are incredible. Do not refreeze melted margarita as a drink.

What to Serve With Frozen Watermelon Margarita

A pitcher of [classic margarita](/classic-margarita/) for guests who prefer the original

A [paloma cocktail](/paloma-cocktail/) for another refreshing tequila option

A batch of [frozen strawberry daiquiri](/frozen-strawberry-daiquiri/) for a non-tequila frozen drink choice

Tortilla chips with guacamole and salsa for the full summer party spread

Nutrition Information

One serving is approximately 1 cup. Values are approximate and will vary based on specific ingredients used. Nutrition info includes alcohol.

Frequently Asked Questions

Can I use a different type of tequila?

Stick with blanco (silver) tequila. Reposado and anejo have oak aging flavors that clash with the fresh watermelon. Mezcal works if you want a smoky version, but reduce it to 1/2 cup and mix it with 1/2 cup blanco because mezcal is much more assertive.

Do I have to freeze the watermelon?

Freezing the watermelon is what makes this drink thick and slushy without ice. If you blend fresh watermelon with the other ingredients, you will need to add 2 cups of ice, which dilutes the flavor significantly. Freezing is worth the planning ahead.

Can I make a big batch for a party?

Yes. Freeze a large batch of watermelon cubes and pre-mix the tequila, triple sec, lime juice, and agave in a pitcher. When it is time to serve, blend 4 cups of frozen watermelon with 1 cup of the liquid mixture at a time. This recipe serves 4, so triple it for 12 people.

What if my watermelon is not very sweet?

Taste the watermelon before freezing. If it is bland, increase the agave to 3 or 4 tablespoons. You can also add 1 tablespoon of simple syrup (equal parts sugar and water, dissolved) to the blender. The goal is a drink where the watermelon flavor is front and center, not the tequila.

This frozen watermelon margarita is the drink you want in your hand on a hot afternoon. It is fast, it is beautiful, and it tastes like summer distilled into a glass. The fact that you can prep the watermelon cubes days ahead means you are always 10 minutes away from the best margarita you have ever had. Make a batch this weekend and thank me later.