Keto Piña Colada

Annie Lampella @ Ketofocus

By Annie Lampella, Pharm.D.

Published April 25, 2021 • Updated March 13, 2026

Reader Rating
4.7 Stars (3 Reviews)

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Creamy, tropical, and completely sugar-free, this keto frozen pina colada is the drink I make all summer long poolside. Full-fat coconut milk, rum, and a hit of extract give it that classic tropical flavor without any of the sugar.

I started making this frozen cocktail when I first went keto and realized how much I missed tropical drinks on hot days. The sugar in a traditional version is almost entirely from pineapple juice, so I swapped it out for full-fat coconut milk and a teaspoon of pina colada extract. That extract is what makes the whole thing work. Guests think there’s a sugary mixer involved. When I show them the coconut milk and monkfruit, they don’t believe me.

The texture question comes up a lot, and I’ve landed on a firm answer: coconut cream makes a noticeably better drink than coconut milk. I switched after testing both side by side, and the difference is real. Coconut cream gives you a thicker, more frozen-cocktail consistency that holds its slushy texture longer, especially when you’re sitting outside in the heat. Coconut milk still works, but once you try the cream version, going back feels like a downgrade. If you’re using canned coconut milk, grab the full-fat unsweetened kind. The lite versions have more sugar and thin the whole thing out.

For a party, I scale this into a pitcher: double or triple the recipe, blend in batches, and pour into a large pitcher with extra ice to keep it cold. Two pitchers disappeared at a spring break gathering at my house and nobody could tell it was sugar-free. My strawberry slushy cocktail is another crowd-pleaser if you want variety on the drink table.

Rum is zero carbs, which makes it one of the easiest spirits for a low carb lifestyle. I use white rum for the classic flavor, but coconut rum works too (just check the label for added sugar). If you’re building out a cocktail rotation, my strawberry daiquiri and mojito use the same approach: real spirits, sugar-free mixers, and enough flavor that nobody asks if it’s a diet drink. The Blue Hawaiian is another tropical option if you want to keep the island theme going.

One thing I tell everyone: start with 3 tablespoons of sweetener, not the full quarter cup. Monkfruit and erythritol brands vary wildly in sweetness intensity, and it’s way easier to add more than to fix a drink that’s too sweet. Taste after blending, then adjust from there. I’ve been making these long enough that I eyeball it now, but 3 tablespoons has been the most reliable starting point I can give.

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Keto Piña Colada

4.7 (3) Prep 5m Total 5m 4 servings

Ingredients

Step by Step Instructions

Step by Step Instructions

1
Add to a blender

Add ice, coconut milk, sparkling water, rum, piña colada extract and sweetener to a blender.

ice and coconut milk in a blender
2
Blend

Blend until smooth.

blended pina colada in a blender
3
Pour and sip

Pour into hurricane glasses and enjoy!

pouring pina colada into a glass
Nutrition Per Serving
143 Calories
4.5g Fat
0.4g Protein
0.4g Net Carbs
0.4g Total Carbs
4 Servings
Nutrition disclaimer

The nutrition information provided is an estimate and is for informational purposes only. I am a Doctor of Pharmacy (Pharm.D.); however, this content is not intended to be a substitute for professional medical advice, diagnosis, or treatment. Always consult your physician or other qualified health provider before making any lifestyle changes or beginning a new nutrition program.

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Keto Piña Colada

Frequently Asked Questions

Coconut cream vs. coconut milk — which makes a better base?

I've tested both back to back and coconut cream wins every time. The drink comes out thicker, holds its slushy texture longer in the heat, and the coconut flavor is more pronounced. Coconut milk still works if that's what you have, but I always reach for the cream now. If your can of coconut milk has been in the fridge, the thick layer on top is essentially cream, so scoop that out and use it.

How do I make a pitcher for a party?

I double or triple the recipe and blend in batches since most blenders can't handle the full volume at once. Pour each batch into a large pitcher with extra ice to keep everything cold. I've served this at pool parties and the pitcher empties fast. Two batches fills a standard drink pitcher and serves about 6 people.

Can I use heavy cream instead of coconut milk?

You can, and it makes the drink richer and more indulgent. I've tried heavy whipping cream as the base, and the texture goes almost milkshake-thick. It's not dairy-free anymore, but if dairy doesn't bother you, it's a solid swap. Use the same amount as the coconut milk called for in the recipe.

How much sweetener should I actually use?

I always tell people to start with 3 tablespoons instead of the full quarter cup. Monkfruit and erythritol brands are wildly inconsistent on sweetness intensity, and I've had batches where a quarter cup was way too sweet. Blend with 3 tablespoons first, taste it, then add more a teaspoon at a time. After making this dozens of times, I eyeball it now, but that starting point has been my most reliable advice.

Can I make this ahead of time and freeze it?

I've frozen batches in ice cube trays and then re-blended them when I'm ready to serve. The texture is slightly more icy than a fresh blend, but it's still good. For same-day prep, I blend everything a few hours ahead and store it in the freezer for 30 to 45 minutes. Pull it out when the edges start to firm up and give it one more quick blend.

Are there hidden sugars in the extract?

Some brands, yes. I've seen extract bottles with sugar alcohols, corn syrup, or even high fructose corn syrup listed in the ingredients. Always flip the bottle and check. The pure extract versions are what you want. If you can't find a clean one, pineapple extract works as a substitute, or skip it entirely and let the coconut flavor do the work.

How do I get a thicker, creamier texture instead of slushy?

I use more coconut cream and less sparkling water. One of my readers replaced the sparkling water entirely with the other half of the coconut milk can, and the texture shifted from slushy to frozen-cocktail thick. I've done the same thing and it works. You can also use a bit less ice for a creamier, less icy result.

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Sugar-Free Pina Colada

frozen pina colada with a yellow umbrella and a pineapple in the background

Traditional coladas from Puerto Rico are made with rum, coconut milk, and pineapple juice. The island claimed it as the national drink back in 1978, and yes, that song still pops into my head every time I blend one. My version skips the pineapple juice entirely (way too much sugar) and leans hard into the coconut instead. Full-fat coconut milk gives you that rich, creamy base, and a touch of monkfruit or erythritol adds just enough sweetness. A teaspoon of tropical extract brings the pineapple flavor without the carbs. I top mine with paper umbrellas and a pineapple wedge for the full vacation look.

frosty pina colada in a hurricane glass

Choosing Your Coconut Milk and Extract

The flavor comes from two places: full-fat coconut milk and a quality tropical extract. Look for unsweetened coconut milk in cans, not the carton kind in the refrigerator section. The lite versions have more water and added sugar. Skip premade cocktail mixers from the grocery store. They’re loaded with carbs.

If you can’t find the extract I use, Jordan’s Skinny Mixes work as a substitute. Check the label though, because some extract brands sneak in sugar alcohols or even high fructose corn syrup. You can also use straight pineapple extract instead, or skip the extract entirely and let the coconut carry the drink on its own.

Pineapples are too high in sugar for this way of eating, but a thin slice makes a gorgeous garnish alongside a paper umbrella. Just don’t eat it. Toasted coconut flakes on the rim are another touch I add when I’m going for the full tropical vibe.

What About the Rum

Rum is zero carbs. It’s about 64 calories per ounce, so when you pair it with a sugar-free mixer, you’re in the clear. I use white rum for the classic flavor, but coconut rum adds an extra layer (just check the label for added sugar).

Vodka works as a substitute if you don’t have rum on hand. I’ve tried both and the rum version tastes more authentic, but vodka blends in seamlessly.

umbrella drink with a pineapple wedge

Low Carb Spirits and Cocktail Ideas

You don’t have to give up cocktails on a keto diet. Just skip the stout beers and sugary wine coolers. Your liver processes alcohol before anything else, so if you’re eating at the same time, that food is more likely to get stored as fat. I keep it to one or two drinks when I’m having cocktails, and I always eat beforehand.

Plenty of spirits have virtually no carbs: gin, rum, tequila, whiskey, vodka. Red wine, white wine, and prosecco are fine in moderation too. If you want more low carb cocktail ideas, try my margarita, cucumber lime margarita, or vodka lemonade.

Why I Switched to Coconut Cream

Coconut milk and coconut cream are both pantry staples for this way of eating. They’re packed with healthy fats plus manganese, iron, potassium, magnesium, and vitamin C. Always buy unsweetened, full-fat versions. The lite coconut milk has more carbs and dilutes the flavor.

I’ve tested both in this recipe, and coconut cream produces a noticeably thicker drink that holds its texture longer. Multiple readers have confirmed the same thing. One reader made this six or seven times before settling on coconut cream as the permanent upgrade, and I agree completely. If you have a can of coconut cream open, use it. You won’t want to go back.

two pina colada cocktails with pineapple wedges and straws

Making It a Virgin Mocktail

Swap the rum for water to make this a virgin frozen cocktail. I’ve served the mocktail version to my kids and their friends, and they love it just as much.

Most mocktail recipes call for pineapple juice, but that’s loaded with sugar. Water works great here, or use sparkling coconut water for extra fizz. My tropical smoothie is another non-alcoholic option if you want the coconut-pineapple flavor without the blender-and-ice approach.

About the Author
Annie Lampella, Pharm.D.

Annie Lampella, Pharm.D.

Annie is a Doctor of Pharmacy, mom, and the recipe creator behind KetoFocus. With a B.S. in Genetics from UC Davis, she has over 14 years of experience developing family-friendly keto recipes based on the science of human metabolism.

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4.7 Stars (3 Reviews)
  1. D
    Diane Mar 10, 2026

    Swapped the sparkling water for the other half of the coconut milk can. Texture went from slushy to more of a frozen cocktail. Worth trying if that's your thing.

  2. S
    Sonia N. Mar 8, 2026

    Made this probably six or seven times now. Switched to coconut cream instead of coconut milk whenever I have a can open. Comes out noticeably thicker and the slushy texture holds up longer, which I noticed sitting outside on the first real warm evening. The LaCroix was the part I wasn't sure about, but it lightens the whole thing just enough so it doesn't feel heavy. Going back to full coconut milk feels like a step down.

    1. Annie Lampella
      Annie Lampella Mar 9, 2026

      The coconut cream difference is real. Thicker base, and the texture holds way longer especially when it's warm out. Hard to go back.

  3. D
    David Mar 7, 2026

    Third time making this and I finally landed on the right ratio: a little less rum and a bit more coconut cream. The texture goes from slushy to almost creamy and it's the version I'll stick with.

    1. Annie Lampella
      Annie Lampella Mar 10, 2026

      Yeah, less rum shifts the texture faster than you'd expect. The coconut cream does the rest. Third time is usually when it clicks.

  4. V
    Vanessa Mar 3, 2026

    The coconut milk base is so much better than I expected, genuinely rich and creamy without feeling heavy. My one note is that a full quarter cup of sweetener ran a little sweet for me (I'd start at 3 tablespoons next time and adjust from there), but the coconut flavor itself is spot-on and the piña colada extract really pulls everything together. Solid spring drink.

    1. Annie Lampella
      Annie Lampella Mar 6, 2026

      Sweetener brands are wildly inconsistent on intensity. 3 tablespoons first, taste, then add from there.

  5. C
    Casey Mar 2, 2026

    Made a pitcher for spring break last weekend and my friend who always orders the sweetest thing on the menu kept sneaking back for more. She was convinced there was a sugary mix in there. When I showed her the coconut milk and monkfruit she didn't believe me. Zero carbs, two pitchers gone.

    1. Annie Lampella
      Annie Lampella Mar 2, 2026

      The monkfruit reveal gets people every time. The piña colada extract is what really does it (that's what makes it taste like there's a sugary mix in there).

  6. C
    Connie Apr 26, 2021

    I'm so greatful for you! Thank you for all you do! I love watching your videos, you've helped me succeed. Thank you ?

    1. Annie Lampella
      Annie Lampella May 1, 2021

      Love hearing that. Pour yourself one of these to celebrate - 0.4g net carbs, you've earned it.

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