Super Easy Key Lime Margaritas

If you, like me, love margaritas but hate squeezing limes and hate taking out your blender and want to serve a crowd, I know you’ll love these key lime margaritas. Not sweet like a pie, still tart and salty and yummy but with a Florida key flavor you’ll love. A super-simple summertime favorite that’s ready in ten minutes flat.

salt-rimmed key lime margaritas with lime slice on wooden board.

These are just the thing for a hot day when you want something fresh and fruity but that last thing you feel like doing is chopping up a bunch of fruit. This recipe mixes up in just a minute, especially if you have plain simple syrup handy. If you don’t, go ahead and make some. I’ll wait.

Ingredients and Tools You’ll Need

This is one of those recipes where every ingredient is important. You can use plain lime juice but obviously they won’t be key lime anymore! And fresh key lime juice is absolutely delicious. But it’s not necessary.

the bottle looks like this, except you know… not blurry!
  • ½ cup bottled key lime juice (I love Nellie and Joe’s brand. You can find it with the bottled lemon juice or in the cocktail section with things like grenadine)
  • 1 cup tequila we prefer white/ blanco
  • ½ cup triple sec
  • ¼ cup simple syrup adjust to taste (see notes to make your own)
  • Ice
  • Lime slices for garnish
  • Salt for rimming the glasses

Making your own simple syrup at home instead of buying it saves money and gives you better results. One trick I’ve learned is to keep your simple syrup in a clean, repurposed squeeze bottle. It makes adding the right amount much easier, prevents sticky messes, and helps you see exactly how much you have left. Those little plastic condiment bottles work perfectly – just label it so no one mistakes it for something else!

How to Make Key Lime Margaritas

Prepare Glasses. Rub a lime slice around the rim of each glass and dip the rim into salt. The moisture helps that salt stick just right! Don’t worry if the salt looks a little messy, it just makes them look homemade.

lime wedge around glass rim, glass dipped in salt, and top view of glasses rimmed with salt.

Fill the glasses with ice.

Mix Drink. In a large pitcher, combine the bottled key lime juice, tequila, triple sec, and simple syrup. Stir well to blend all those lovely flavors together.

I know it looks yellow. That’s how key lime juice is! And that’s why key lime pie should never be green. If it is, it’s not real!

Serve. Pour the mixture over the ice in your prepared glasses.

margarita poured into glasses.

As the drink creator, you are now obliged to have one and lick your fingers from all the salt.

Garnish. Garnish each glass with a lime slice. It adds a touch of freshness and looks so pretty!

Storage and Serving Ideas

These are prefect for any summer get-together, but I like them best with Mexican food. Here’s my perfect Saturday night menu.

You can mix the pitcher (without ice) up to 24 hours ahead and keep it covered in the refrigerator. Just stir before serving.

3 key lime margaritas on board.

Make This Recipe Your Own

  • Mix in coconut cream for a tropical twist, like in my coconut pineapple margarita, or fresh muddled berries for a fruity variation.
  • Add a thin slice of jalapeño for some nice heat that pairs well with lime.
  • Try Tajin spice on the glass rims for a spicy-tart edge or sugar instead of salt for a sweeter approach.

Printable Recipe

Key Lime Margarita

A refreshing and sweet-tart margarita, perfect for a weekend with your bestie or a casual party Using bottled key lime juice simplifies the process without compromising on flavor.
Print Recipe
salt-rimmed glass of key lime margarita with lime slice on rim.
Prep Time:10 minutes
Total Time:10 minutes

Equipment

  • Pitcher

Ingredients

  • ½ cup bottled key lime juice
  • 1 cup tequila we prefer white/ blanco
  • ½ cup triple sec
  • ¼ cup simple syrup adjust to taste (see notes to make your own)
  • Ice
  • Lime slices for garnish
  • Salt for rimming the glasses

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Instructions

  • Prepare Glasses. Rub a lime slice around the rim of each glass and dip the rim into salt. Fill the glasses with ice.
  • Mix Drink. In a large pitcher, combine the bottled key lime juice, tequila, triple sec, and simple syrup. Stir well.
  • Serve. Pour the mixture over the ice in the prepared glasses.
  • Garnish. Garnish each glass with a lime slice.

Notes

To make simple syrup. In a small saucepan, combine 1 cup sugar and 1 cup water. Place the saucepan over medium heat and stir until the sugar is completely dissolved. Once the sugar is dissolved, remove the saucepan from the heat and let the syrup cool completely. Transfer the simple syrup to a clean, airtight container. It can be stored in the refrigerator for up to one month and is used in many cocktails.

Nutrition

Calories: 301kcal | Carbohydrates: 30g | Protein: 0.3g | Fat: 0.1g | Saturated Fat: 0.04g | Polyunsaturated Fat: 0.04g | Monounsaturated Fat: 0.01g | Sodium: 16mg | Potassium: 94mg | Fiber: 0.2g | Sugar: 26g | Vitamin A: 30IU | Vitamin C: 18mg | Calcium: 12mg | Iron: 1mg
Servings: 4 servings
Calories: 301kcal
Author: Katie
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By Katie Shaw

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Katie shares simple, reliable recipes from her home in Virginia, where she lives with her husband, three daughters, a chocolate lab, and over thirty chickens.

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