If you love tropical cocktails, you're going to be smitten with this vibrant blue coconut daiquiri. Featuring fragrant coconut, tart time, and a stunning hue inspired by the ocean in Hawaii, this daiquiri riff will instantly transport you to an exotic island. It gets its eye-catching color naturally, from blue spirulina, so there are no artificial ingredients involved.
I love making this blue daiquiri for a summer dinner party since it's both whimsical and elegant. The flavors are fun, beachy, and celebratory, but the presentation feels polished and sophisticated. It uses just a few ingredients too, so this is definitely a tropical party cocktail you can mix up without a lot of fuss.
Because my husband and I spend winters on the northernmost Hawaiian island, I'm a huge fan of both coconut and rum. In fact, I have a whole guide to tropical vegan recipes, many of which feature these two iconic island ingredients.
If you're not familiar with rum, you may be surprised to see this called a daiquiri. However, the frozen, sugary, neon-colored drinks served at many American chain restaurants and resorts have almost nothing to do with a classic daiquiri. The original drink, which came from Cuba, is simple, elegant, strong, and tart; it contains just rum (usually 2 oz), lime juice (usually 1 oz), and simple syrup (usually ½ oz).
This daiquiri riff makes two changes to the original ingredients. First, you'll add a pinch of blue spirulina (an edible algae; more on this below) to color the cocktail naturally. Second, you'll use 80-proof coconut rum in place of the regular rum. Because coconut rum has some sweetness, you may want to use less simple syrup than is typical, so feel free to start with just a dash if you prefer a less-sweet drink. The result is an eye-catching, tropical cocktail that perfectly balances sweet coconut with tart lime.
This unique blue coconut daiquiri is easy to make and uses just a few ingredients. First, you'll dissolve the blue spirulina in a dash of water. After that, you'll add the remaining cocktail ingredients (coconut rum, lime juice, and simple syrup) and shake with ice. Strain the cocktail into a chilled coupe glass, then garnish with a lime slice or lime peel.
Although food coloring is often used to make blue drinks, artificial coloring has been shown to have many negative health effects. Instead, I'm excited to introduce you to my all-natural (and healthful!) alternative.
To make a blue cocktail naturally, you can use blue spirulina. It's an edible algae, a relative of the more common green spirulina. I find it works best to dissolve the spirulina in a dash of room-temperature water first, then mix it into the rest of the cocktail after dissolving. As an added benefit, blue spirulina is very nutritious and is a great source of vitamins, minerals, and antioxidants.
Curious to learn more? I have a comprehensive guide for how to make blue drinks with blue spirulina.
Love this blue daiquiri? Then I think you'll also have fun with the other naturally colored blue cocktail recipes here on the blog. This unicorn cocktail is fun and whimsical, and this solar eclipse cocktail is perfect for a summer evening. This mermaid cocktail has stunning green and blue hues that will have your guest snapping photos. Don't forget to make a festive red, white, and blue July 4th cocktail for Independence Day. There's even a blue mojito in my compilation of horoscope cocktails (scroll down to Pisces). Once you get the hang of mixing up a blue spirulina cocktail, I can guarantee you'll want to try others.
For this coconut daiquiri (and every coconut rum cocktail recipe here on the blog) I use Koloa Rum Coconut Rum from Kaua'i. My husband and I spend every winter on Kaua'i and always drink it there, although Koloa Rum is available in many mainland locations and through online spirits distributors. Note that this is not the same as Malibu, which is a lower-proof coconut rum liqueur.
If you can't find Koloa Rum and only have access to Malibu, try using 1.5 oz white rum and 1 oz Malibu (instead of the 2 oz coconut rum in the recipe card), otherwise the drink will feel too sweet. You may also want to reduce or omit the simple syrup.
If you enjoy coconut rum, you've come to the right place; I have a lot of coconut rum cocktails here on the blog. This Coconut Paloma is near-famous and is a personal go-to. Similarly, for a Mexican vibe, you'll also love this Blackberry Coconut Margarita. If you're hosting a party or having a picnic, this Three-Ingredient Pineapple Coconut Rum Fizz and this Coconut Rum Ginger Lemonade Fizz are both easy and fast to make and use just a few simple ingredients. For a spring or summer brunch, try this Coconut Campari Tequila Sunrise. For an unforgettable and unique flavor combination, you'll definitely want to explore this Matcha Coconut Daiquiri.
Here's what you'll need for this blue coconut daiquiri recipe, as well as some thoughts, tips, and possible substitutions. If you make any substitutions, I'd love to hear about it in the comments section below.
Isn't this blue coconut daiquiri a stunner? I love how the combination of blue spirulina and lime creates a color that looks exactly like a tropical ocean. It's proof that just a few simple ingredients can yield a very special and celebration-worthy cocktail. The juxtaposition of sweet coconut and tart lime feels both fun and vibrant.
If you're hosting a tropical party or even just a summer dinner gathering, you'll want this blue daiquiri on the menu. I can guarantee that everyone will be snapping photos!
It makes me so happy to hear from you and see your creations! Please leave a comment below and let me know what you think about this recipe. If you post a photo on Instagram, hashtag #TheRogueBrusselSprout and tag me (@TheRogueBrusselSprout) in the post text so that I'm sure to see it.
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Disclosure: This recipe has been developed through a paid partnership with Koloa Rum. However, all opinions and thoughts are my own. Thank you for supporting the brands that keep The Rogue Brussel Sprout running.
This stunning blue coconut daiquiri features fragrant coconut, tart lime, and an all-natural ocean-inspired hue. It's the perfect cocktail for a tropical party or a summer gathering.
Did you make this recipe? Did you make substitutions? How did you serve it? Any helpful tips? Please share your thoughts, since these insights are really useful to both me and to other readers.
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