Easy Copycat Sonic Ocean Water (Drink Recipe + Video)

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Two tall glasses are filled with a sparkling blue drink topped with a red maraschino cherry. The glasses are lightly covered in condensation and look chilled and refreshing.

We all love a nice, cold drink on a really warm day. Something about a chilled glass in your hand really helps to take the edge off during the summer months. Ice water is nearly always the best choice on a summer scorcher, but sometimes folks just need a little flavor and color in their glasses! Fresh-squeezed lemonade is always a close second choice to water for me during the summer, it’s just so good!

Lately this incredibly refreshing, homemade version of Sonic Drive In’s popular Ocean Water drink has been our chilled beverage of choice. As with so many notable restaurant recipes, I didn’t realize until recently just how easy it is to make a version of this tasty blue beverage at home. Honestly, the inspiration to give this drink recipe a try started after a slew of unsolicited suggestions for this eye-catching drink drizzled into my Pinterest feed.

Thankfully Pinterest’s wildly successful streak of knowing what I need in my life before I do continues with this drink recipe!

Before we moved out to the boonies, we used to visit our neighborhood Sonic Drive-In from time to time to get a quick afternoon snack or ice cream treats for dessert. Sometimes I ordered a delicious hot fudge sundae or strawberry cheesecake milkshake, but more often I would order a large Ocean Water and some crispy onion rings. The kids loved the crispy corn dogs and chocolate shakes.

Now that we live so far from town, it’s been a true treat for us to be able to enjoy this delightfully tropical drink without making a 30-mile round trip to pick one up. And, of course, no matter how far you live from the nearest town, copycat recipes are always great way to save a little money.

How to make a copycat sonic ocean water

All that you’ll need to make this fizzy, blue, tropical drink for yourself is a large glass partially filled with crushed ice, lemon-lime soda, coconut-flavored syrup, blue food coloring, and maraschino cherries. Maraschino cherries aren’t completely necessary for this beverage recipe, but I do highly recommend them for the whole eat-with-your-eyes and joy factors!

To be exact here, I typically use a 12-ounce can of diet lemon-lime soda, Jordan’s Skinny Syrups brand coconut-flavored syrup, and a drop or two of blue food coloring (but, honestly sometimes I do, sometimes I don’t on the food coloring) when I make my personal glass of this homemade ocean water drink. I prefer to keep this copycat drink sugar-free by using a store-purchased, sugar-free syrup.

However, when it comes to drinking sugar-free drinks or not, you’ve got to do you. Torani brand Coconut Syrup is always a good choice for a regular, sweetened coconut-flavored syrup, and of course, if you prefer to make a homemade coconut-flavored simple syrup, you can go that route too.

Two clear glasses are filled with tropically blue copycat ocean water. The  chilled copycat drinks are topped with red maraschino cherries and are ready to enjoy.

I sure hope you try this sparkling, Caribbean ocean-colored beverage this summer, and I hope it helps you beat the heat at home and keep a little extra change in your pocket.

Happy sipping, y’all!! 🌊🍹

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Copycat Sonic Ocean Water

Recipe by Marcelle at A Little Fish in the Kitchen Course: DrinksCuisine: AmericanDifficulty: Easy


Prep time



This deliciously tropical Copycat Sonic Ocean Water will cool you off on the warmest day. 🌊🍹 It’s super easy to recreate this this fizzy, blue, fountain beverage at home, and keep some change in your pocket for a summer beach vacay!


  • 1-1/2 cups crushed ice

  • 12 oz lemon-lime soda, regular or diet

  • 1-2 tbsp regular or sugar-free coconut-flavored syrup, store-bought or homemade

  • 2 drops blue food coloring

  • maraschino cherry for garnish, if desired


  • Pour lemon lime soda over ice in a 16 oz glass or tumbler. Pour in 1 -2 tablespoons of coconut-flavored syrup and 2 drops of food coloring and stir
  • Add more ice if necessary to fill the glass to the top and garnish drinks with a maraschino cherry, if desired.
  • Relax and enjoy!

Recipe Video


  • Recipe from A Little Fish in the Kitchen blog at www.alittlefishinthekitchen.com. All content is owned by Marcelle G. Bolton. Please contact the author for permission to republish


  1. It surely looks very pretty!

  2. When I first read this title, I had no idea what a sonic was! I’m kind of clueless… It’s super pretty, and looks really refreshing.

    • I thought they had Sonic Drive In’s everywhere, but it maybe a southern thing lol I’ll have to check up on that! Thanks so much for the visit, David!

  3. this sounds like an interesting drink Marcelle. Love the blue!!

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