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Key Lime Martini

The Key Lime Martini drink recipe blends vanilla vodka with the flavors of key lime and coconut. The graham cracker crumb rim makes it taste like key lime pie.

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The Key Lime Martini is just what it sounds like: a candy ‘tini that tastes like key lime pie. This is one seriously delicious cocktail, and it’s all about the flavor.

Key lime is a transporting flavor that takes you away to the tropics the instant your tastebuds start to analyze it. The lime is nice and sharp, but this drink is also sweet and creamy.

Pale green Key Lime Martini in glass with lime wheel and graham cracker crumb rimPin

Flavor Profile

Like the pie, the Key Lime Martini keeps you coming back for another taste, because you just can’t stop enjoying the fascination of a flavor that’s equal parts tart and mellow and sweet.

This drink has two ounces of vanilla vodka, and at first that sounds like too much. Key lime pie doesn’t have a strong vanilla taste at all.

But vanilla vodka isn’t all that intense. And it turns out a lot of the other ingredients – especially the key lime juice –  are very tart, so you actually need that flavor to balance things out. It’s what makes it taste like the pie.

The vanilla contrasts nicely with the tart lime and acidic pineapple juice. And that’s another ingredient that might surprise you. Pineapple juice may not sound like it belongs in a Key Lime Martini, either.

But you don’t get a pineapple flavor from it. It just enhances the lime and makes it a little bit sweeter. There are actually versions of this recipe that don’t include pineapple juice, but it brings some nice notes to the taste.

There’s also a small amount of coconut cream, but it’s in such a small quantity that it doesn’t add much coconut flavor. It just enhances the other flavors and thickens the drink.

Overhead view of Key Lime Martini in glass with lime wheel and graham cracker crumb rimPin

It’s also a very pretty drink to look. That beautiful light golden color contrasts with the darker golden graham cracker crumbs on the rim.

The Ingredients

Why Vanilla Vodka Works in This Cocktail

Vanilla vodka is a key ingredient here, and it’s worth understanding why it’s the best choice. Vanilla vodka adds a subtle sweetness and smoothness without overpowering the other flavors. Unlike regular vodka, which is neutral, vanilla vodka brings a mild creamy note that blends well with the tartness of the lime and pineapple.

If you don’t have vanilla vodka on hand, you could try infusing plain vodka with vanilla beans yourself. Just split a vanilla bean and soak it in vodka for a few days to get that flavor. But ready-made vanilla vodka is convenient and consistent.

Pick any vanilla flavored vodka you like. Stoli, Pinnacle and Absolut all make good ones.

Lime Juice

Since lime juice is central to this drink, it’s important to use the best you can find. Freshly squeezed Key lime juice is ideal, but as mentioned, it’s not always easy to get. 

If you only have regular lime juice on hand, that works too, but the flavor will be slightly different—usually a bit less sweet and more tart. For an even fresher taste, squeeze your limes right before making the drink.

You can also buy quality key lime juice, which is great for when it’s off-season or you just want the convenience of having something that’s already in a bottle. But whatever you do, don’t use Rose’s Lime. It’s already sweetened and would throw off the balance of the cocktail.

Pineapple Juice

Pineapple juice might seem like an odd addition at first, but it plays an important role in balancing the drink’s flavors. Pineapple juice has natural sweetness and a bit of tropical acidity that complements the tart lime without competing with it.

Using fresh pineapple juice is great if you can get it, but canned or bottled works fine too. If possible, avoid any pineapple juice with added sugar to keep the cocktail balanced.

Coconut Cream vs. Coconut Milk

This one calls for coconut cream, and it does mean the sweetened type, like Coco Lopez or Coco Real. Coconut cream is thicker and richer than coconut milk, which helps give the cocktail that smooth texture. It’s also sweetened, so it adds a hint of tropical flavor without being overpowering.

Coconut milk is thinner and less sweet, so it won’t provide the same creamy consistency or flavor depth. If you can’t find canned coconut cream, you can sometimes find small cartons of cream of coconut at liquor stores or specialty food stores.

Cream

And then there’s the heavy cream, which adds a nice velvety texture. It’s just an ounce, which is all you need to mellow the other flavors, bring it all together and give it some of the rich texture of the pie.

If you live outside the US, you may not have a product called “heavy cream”. It’s equivalent to double cream. In this recipe, “thickened cream” would work, too.

Basically, you want a cream that’s around 30-36% fat. Anything in that range will work. You just want enough fat in it to add some thickness to the texture of the drink and some creamy flavor.

Key Lime Martini in glass with lime wheel and graham cracker crumb rimPin

Serving Tips

Naturally, the Key Lime Martini makes a great dessert drink. It’s also terrific served big batch style at parties because you can mix it up in a pitcher ahead of time.

Rim the glasses ahead of time, and you’ve got a very easy drink to serve to guests. If you haven’t rimmed glasses before or want to brush up on your technique, check out my tutorial on how to rim a glass

The rim might sound challenging, but it’s really not. This drink is easy to make, even for novice bartenders.

Be sure to use lime juice (rather than water) to rim the glass. It’ll hold the graham cracker crumbs on much better. And besides, it goes so well with the drink. Just run a lime wedge along the edge of the glass.

Key Lime Martini in glass with lime wheel and graham cracker crumb rimPin

Serving Suggestions for Different Occasions

The Key Lime Martini works well as a dessert drink after dinner, but it’s also great for other occasions:

  • Parties: Make a big batch ahead of time by multiplying the ingredients and mixing them in a large pitcher. Keep it chilled and rim glasses just before serving.
  • Casual Gatherings: Serve in regular martini glasses or even fun cocktail glasses with colorful straws for an easy crowd-pleaser.
  • Special Events: Garnish with fresh lime wheels, twists, or even small edible flowers to make each glass look special.

The light, creamy texture and sweet-tart balance make this cocktail enjoyable for many tastes.

Possible Variations to Try

If you want to experiment with this recipe, here are some ideas:

  • Add a Splash of Rum: A little white rum mixed in can add an extra tropical note.
  • Use Coconut Rum: Swap vanilla vodka for coconut rum for a stronger coconut flavor.
  • Make it Frozen: Blend all ingredients with ice for a frozen Key Lime Martini that’s perfect for hot days.
  • Add Fresh Herbs: Muddle fresh mint or basil in the shaker for an herbal twist.
  • Sweeten It Up: If you prefer sweeter drinks, add a teaspoon of simple syrup or honey syrup.

These variations can help tailor the drink to your personal taste or suit different occasions.

Pairing Food with Your Key Lime Martini

The creamy, tart flavor of this cocktail pairs well with certain types of food:

  • Light appetizers: Think shrimp cocktail or ceviche.
  • Fresh salads: Especially those with citrus vinaigrettes.
  • Desserts: Serve alongside key lime pie itself or other citrus-based desserts like lemon bars.
  • Cheese plates: Soft cheeses like brie or goat cheese balance nicely with this drink.

Related Cocktails

If you enjoy this one, check out the Mango Key Lime Margarita, which is a frozen margarita made with key lime juice and pureed mango. On that one, you rim the glass with chili pepper or salt.

Pale green Key Lime Martini in glass with lime wheel and graham cracker crumb rim

Key Lime Martini Recipe

Yield: 1 drink
Prep Time: 8 minutes
Total Time: 8 minutes

The Key Lime Martini tastes a lot like a Key Lime Pie. It features vanilla vodka, Coco Lopez, Pineapple juice, cream and graham cracker crumbs on the rim of the glass.

Ingredients

  • 2 ounces vanilla vodka
  • 1/2 ounce key lime juice or regular lime juice
  • 2 tablespoons Coco Real cream of coconut
  • 1 ounce pineapple juice
  • 1 ounce heavy cream
  • Graham cracker crumbs

Instructions

  1. Rim a cocktail glass with the graham cracker crumbs.
  2. Fill a martini shaker with ice and put all the other ingredients in it.
  3. Shake thoroughly and strain into a chilled martini glass.
  4. Garnish with a wheel of lime or a lime twist.
Nutrition Information:
Serving Size: 1
Amount Per Serving: Calories: 694Total Fat: 27gSaturated Fat: 14gCholesterol: 32mgSodium: 507mgCarbohydrates: 103gSugar: 50gProtein: 9g

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Last Updated:

July 2, 2025

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