As the sun sets and laughter fills the air, nothing delights my friends and family more than a colorful cocktail that captures the magic of summer. Enter the Under-The-Sea Spritz—a playful blend that tantalizes with blue Curaçao, white rum, and zesty lemonade. Not only is this vibrant summer cocktail easy to whip up, but its fun presentation, featuring gummy sea creatures tucked into icy cubes, steals the show at any gathering. Whether you’re hosting a beach-themed party or simply enjoying a warm evening outdoors, this drink promises to refresh and enchant with every sip. So, are you ready to make waves with this delightful concoction?

Why is Under-The-Sea Spritz a Must-Try?
Vibrant, Eye-Catching Appeal: The bright blue hue and fun gummy sea creatures instantly elevate your summer gatherings, making this drink a visual showstopper.
Effortless to Prepare: With just a few simple ingredients, this cocktail comes together in no time—even for beginners! Consider pairing it with some deliciously easy appetizers that complement its tropical charm.
Refreshing and Zesty: The mix of lemonade and fizzy seltzer creates a light, invigorating taste that’s perfect for hot days, making it an ideal choice for outdoor events.
Versatile Flavor: Want to switch things up? Experiment with different flavored syrups or try a non-alcoholic version—there’s something for everyone at your party!
Make-Ahead Friendly: Prepare the ice cubes in advance and mix the cocktail ahead of time, so you can enjoy more fun with your guests without the last-minute rush.
Under-The-Sea Spritz Ingredients
• Here’s what you need to make this colorful summer cocktail sparkle!
For the Cocktail Base
- Seltzer (2 x 12-oz. cans) – Provides fizzy texture and lightness to the drink; consider using flavored seltzer for extra zest.
- Blue Curaçao (1/4 cup + 1/4 cup for ice cubes) – Adds vibrant color and a hint of orange flavor; can be omitted for a clear drink if desired.
- Lemonade (1 cup) – Introduces sweetness and a citrusy brightness; fresh lemonade is preferred for the best flavor.
- White Rum (1/2 cup) – Acts as the spirit base for the cocktail, creating depth; alternative: use vodka for a different taste.
For the Fun Element
- Ocean Gummies (14 pieces) – Decorative edible element that enhances the theme; feel free to use any shaped edible gummy.
- Star Fruit – Used for garnish to add a tropical flair; can swap for another decorative fruit like lemon slices.
For the Ice Cubes
- Blue Curaçao (1/4 cup) – Creates visually appealing ice cubes filled with color and flavor, perfect for the Under-The-Sea Spritz.
- Seltzer – Compliments the blue Curaçao for fun, colorful ice cubes!
Now, gather these ingredients, and get ready to dive into making your Under-The-Sea Spritz!
Step‑by‑Step Instructions for Under-The-Sea Spritz
Step 1: Prepare the Ice Cubes
Start by filling an ice cube tray with blue Curaçao and seltzer. Drop in gummy sea creatures, making sure each cube holds a piece of candy for that playful touch. Place the tray in the freezer and allow it to freeze for at least 4 hours, though overnight is preferred for perfectly solid cubes.
Step 2: Mix the Cocktail
In a large pitcher, combine the seltzer, lemonade, white rum, and an additional 1/4 cup of blue Curaçao. Stir well to blend all the ingredients, creating a vibrant mix that echoes the refreshing beach vibes of the Under-The-Sea Spritz. Set the pitcher aside while you prepare to serve.
Step 3: Assemble the Drink
Once your ice cubes are perfectly frozen, grab your favorite glasses and fill each one with several colorful ice cubes. Carefully pour the prepared cocktail mixture over the ice, watching as the vibrant blue and bubbly drink fills the glass, creating a mesmerizing visual effect.
Step 4: Garnish and Serve
To elevate your Under-The-Sea Spritz, add a slice of star fruit on the rim of each glass for a tropical flair. You can also top the drink with extra ocean gummies scattered on top for an enchanting finishing touch. Your guests will be delighted with this eye-catching summer cocktail!

Expert Tips for the Under-The-Sea Spritz
- Ice Cube Magic: Make sure your ice cubes are completely frozen before serving to prevent any dilution of your cocktail’s vibrant flavor.
- Taste Balancing Act: Experiment with the ratios of lemonade and seltzer to achieve your preferred balance of sweetness and tang in the Under-The-Sea Spritz.
- Creative Gummy Choices: Don’t hesitate to play around with different gummy shapes that match your party theme—it’s all about fun and creativity!
- Chill Factor: Serve your cocktails in chilled glasses for an extra refreshing experience, especially during warm summer days.
- Flavor Variations: Feel free to add flavored syrups or fresh fruits to customize your Under-The-Sea Spritz to your taste, making it uniquely yours!
Make Ahead Options
Preparing your Under-The-Sea Spritz ahead of time is a breeze, making it perfect for busy summer gatherings! You can freeze the blue Curaçao ice cubes with gummies up to 3 days in advance; simply store them in an airtight container once frozen to maintain their quality. Additionally, you can mix the cocktail base—seltzer, lemonade, white rum, and an extra splash of blue Curaçao—up to 2 hours before serving. Just refrigerate the mixture without ice, so it stays fresh and bubbly. When you’re ready to impress your guests, pour the prepared cocktail over the colorful ice cubes and garnish with star fruit and ocean gummies. This way, you’ll have a visually stunning drink ready to go with minimal last-minute effort!
What to Serve with Under-The-Sea Spritz
Elevate your summer gathering with delightful pairings that complement the refreshing vibes of this vibrant cocktail.
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Tropical Fruit Skewers: Add a colorful display of fresh pineapple, watermelon, and strawberries; their sweetness directly contrasts with the zesty cocktail.
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Mini Shrimp Tacos: These bite-sized delights are bursting with flavor and seafood, pairing beautifully with the ocean theme and enhancing the cocktail’s tropical notes.
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Crispy Vegetable Chips: A crunchy, salty snack that balances the cocktail’s sweetness while satisfying the desire for something light and crispy.
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Coconut Shrimp Bites: Their crunchy exterior and succulent interior echo the tropical flavors of the Under-The-Sea Spritz, creating a delicious hand-held treat.
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Creamy Guacamole and Chips: The smooth avocado dip complements the drink’s zestiness, while the crunchy tortilla chips offer a satisfying textural contrast.
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Refreshing Berry Salad: Tossed with a light honey-lime dressing, the fresh berries accentuate the citrus notes in the cocktail, making for a perfect palate cleanser.
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Sparkling Water: Maintain the refreshing theme with a bubbly, non-alcoholic option that cleanses the palate between sips of your cocktail.
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Seashell Candies: For a fun dessert option, these playful treats add a sweet finish to your gathering and complement the whimsical nature of the Under-The-Sea Spritz.
How to Store and Freeze Under-The-Sea Spritz
- Ice Storage: Store any leftover ice cubes in a sealable plastic bag or container in the freezer for up to 2 weeks. This preserves the blue color and flavor for future cocktails.
- Cocktail Mixture: The mixed Under-The-Sea Spritz can be stored in the refrigerator for up to 2 hours before serving—just remember to keep it without ice to avoid dilution.
- Gummy Retention: If you have extra ocean gummies, keep them in an airtight container at room temperature for up to 2 weeks, ensuring they maintain their delicious chewiness.
- Preparation Ahead: You can prepare the ice cubes a few days in advance, making the assembly of your drink seamless and ensuring a hassle-free entertaining experience!
Under-The-Sea Spritz Variations
Customization is the name of the game! Let your creativity shine with these fun twists on the Under-The-Sea Spritz.
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Sparkling Water: Substitute seltzer with sparkling water for a cleaner taste and less sweetness. This keeps it refreshing without the added sugars.
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Tropical Essence: Add a splash of passion fruit or pineapple juice to enrich the flavors and bring an exotic vibe to your summer gatherings. It’ll transport you to a tropical paradise!
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Non-Alcoholic Delight: Omit the rum and double up on lemonade and seltzer for a delicious mocktail that everyone can enjoy, no matter the occasion.
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Gummy Variety: Experiment with other gummy candies like sharks or firmer fruit-shaped gummies to match your theme, adding a bit of surprise with every sip!
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Minty Freshness: Infuse fresh mint leaves into the cocktail for a refreshing herbal twist that brightens up each glass. The combination of mint and lemonade is truly delightful.
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Spice it Up: Add a dash of jalapeño slices or muddled ginger for those who crave a kick! This adds a spicy twist that can really elevate your cocktail experience.
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Citrusy Boost: Try using flavored lemonade such as raspberry or mango for an extra burst of fruity flavor that dances on your palate.
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Frozen Fruit Cubes: Instead of ice cubes, use a mix of small frozen fruits like berries for added color and a fruity flavor burst as they melt. This will make every sip even more enjoyable!
Feel free to explore these variations, and don’t hesitate to brainstorm more—I can assure you, the possibilities are as endless as your desire for a memorable summer cocktail experience!

Under-The-Sea Spritz Recipe FAQs
What type of seltzer should I use for the Under-The-Sea Spritz?
Absolutely! I recommend using any flavored seltzer to give your cocktail an extra layer of zest. Popular choices like lemon-lime or berry can complement the flavors beautifully, making your drink even more refreshing!
How long can I store the ice cubes, and how should I do it?
You can store leftover ice cubes in a sealable plastic bag or container in the freezer for up to 2 weeks. This will help preserve the vibrant blue color and the flavor, so they’re ready whenever you want to whip up another Under-The-Sea Spritz.
Can I prepare the Under-The-Sea Spritz ahead of time?
Very! You can make the ice cubes up to a week in advance. As for the cocktail mixture, feel free to prepare it in advance and store it in the refrigerator without ice for up to 2 hours. This way, you can quickly assemble your drinks and enjoy more time with your guests!
Are there any dietary considerations for this cocktail?
If you’re concerned about allergens, ensure that the ocean gummies do not contain gelatin if you’re making it for a vegetarian or vegan crowd. For a gluten-free option, check the labels on your seltzer and gummies. You can also easily make a non-alcoholic version by omitting the rum and doubling the lemonade and seltzer, making this a versatile drink for everyone to enjoy!
What if my ice cubes don’t freeze completely?
If your ice cubes aren’t freezing properly, ensure your freezer is set to the right temperature, ideally around 0°F (-18°C). If you notice dark spots or they haven’t solidified after the recommended freezing time, try using seltzer only, without the blue Curaçao for temporary ice cubes while you let the others freeze longer. This way, you’ll still get that lovely fizzy effect!
How can I adjust the sweetness of my Under-The-Sea Spritz?
For a sweeter cocktail, increase the amount of lemonade in your mix. Start with an extra tablespoon, and taste as you go! Remember that using flavored seltzers can also impact the sweetness level, so choose accordingly. If you prefer it less sweet, try reducing the lemonade by a splash or two and adding more seltzer until you reach your desired balance.

Under-The-Sea Spritz: A Refreshing Summer Cocktail Delight
Ingredients
Equipment
Method
- Start by filling an ice cube tray with blue Curaçao and seltzer. Drop in gummy sea creatures, making sure each cube holds a piece of candy for that playful touch. Place the tray in the freezer and allow it to freeze for at least 4 hours, though overnight is preferred for perfectly solid cubes.
- In a large pitcher, combine the seltzer, lemonade, white rum, and an additional 1/4 cup of blue Curaçao. Stir well to blend all the ingredients.
- Once your ice cubes are perfectly frozen, grab your favorite glasses and fill each one with several colorful ice cubes. Pour the prepared cocktail mixture over the ice.
- Add a slice of star fruit on the rim of each glass for a tropical flair, and top the drink with extra ocean gummies scattered on top.

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