Finding a refreshing drink at Sonic that won’t overload you with sugar or calories can be a real struggle, especially when it feels like every option is loaded with sweeteners.
If you’ve been craving something light and guilt-free, I’ve got you covered.
In this article, I’ll share 13 of the best Sonic sugar-free Sonic drinks that are as satisfying as they are low-cal, so you can enjoy your favorite flavors without any extra baggage.
Here are the Best 13 Sonic Sugar Free Drinks to Try:
1. Mermaid Water
The Sugar-Free Mermaid Water at Sonic is a refreshing option for those looking for a sweet drink without the sugar.
The combination of sugar-free peach and raspberry flavors gives it a tropical, fruity vibe that’s both light and satisfying.
Lemon wedges and strawberries add a fresh twist, making each sip feel like a mini tropical getaway.
Here’s how to order it:
- Route 44 water
- Add sugar-free peach syrup & sugar-free raspberry syrup
- Add lemon wedges and strawberries
Perfectly sweet, fruity, and guilt-free!
2. Peachy Strawberry Tea
The Peachy Strawberry Tea at Sonic combines a refreshing mix of unsweetened tea with a touch of fruity sweetness, without added sugar.
The sugar-free peach syrup adds a light, tropical flavor, and the real strawberries give it a burst of freshness. It’s an ideal option if you want something fruity yet low-calorie.
Here’s how to order it:
- Start with unsweetened tea
- Add sugar-free peach syrup
- Request real strawberries for an extra fruity kick
It’s a refreshing, sugar-free treat with all the right flavors!
3. Fruity Peach Berry Splash
This light, fruit-infused water is perfect for a refreshing treat without extra sweetness.
The combination of real fruit and sugar-free syrups keeps the flavors bright and balanced, with just a hint of peach and raspberry.
The fresh cherries, strawberries, and lime wedges add a natural, tasty twist that feels both hydrating and delicious.
Here’s how to order it:
- Request a large cup of water
- Add real cherries, strawberries, and limes
- Lightly flavor with sugar-free peach syrup
- Lightly flavor with sugar-free raspberry syrup
4. Peachy Cream Berry Tea
Peachy Cream Berry Tea is the perfect blend of fruity, creamy, and refreshing flavors—all without added sugar.
The unsweetened tea base keeps it light, while sugar-free peach syrup and real strawberries add a fresh, juicy sweetness.
A splash of sweet cream balances it out with a smooth, creamy finish.
Here’s how to order it:
- Start with unsweetened tea
- Add sugar-free peach syrup
- Request real strawberries
- Top with a splash of sweet cream
It’s a guilt-free, creamy tea that’s perfect for any time of day!
5. Dr. Peachy Razz
This Sonic twist on Diet Dr. Pepper is super refreshing and has a burst of peach and raspberry flavors with zero added sugar.
It’s a perfect pick-me-up that’s sweet, fruity, and deliciously light!
Here’s how to order it:
- Start with a large Diet Dr. Pepper
- Make it “dirty”
- Add sugar-free peach syrup
- Add sugar-free raspberry syrup
This drink is light and refreshing!
6. Peach Mango Cream Zero
This drink is perfect for when you want something light and fruity, but with a touch of creaminess.
The mix of sugar-free mango and peach in Sprite Zero gives it a refreshing tropical vibe, and the sweet cream on top brings everything together for a smooth finish.
Here’s how to order it:
- Start with Sprite Zero
- Add sugar-free mango syrup
- Add sugar-free peach syrup
- Top with sweet cream
7. Mango Lemon Splash
The Mango Lemon Splash is a refreshing and zesty option for those who love a hint of tropical flavor.
This mix of sugar-free mango syrup with a squeeze of fresh lemon keeps things light and cool, making it perfect for hot days or when you’re craving something flavorful without extra sugar.
Here’s how to order it:
- Route 44 water
- Sugar-free mango syrup
- Add fresh lemon slices
8. Blackberry Peach Cream Splash
This Blackberry Peach Cream Splash is a smooth and lightly fruity drink with a creamy touch that makes it feel extra refreshing.
The sugar-free blackberry and peach give it a natural sweetness without the sugar, while the sweet cream adds that satisfying creamy finish.
It’s a tasty choice when you want something light yet full of flavor.
Here’s how to order it:
- Large water
- Add sugar-free blackberry syrup
- Add sugar-free peach syrup
- Add sweet cream
9. Sunburst Splash
The Sunburst Splash is a vibrant, fruit-infused drink that’s as refreshing as it is flavorful. With cherry, strawberry, and lemon fruits mixed with sugar-free mango and peach syrups, it packs a punch of sweet and tangy goodness without the extra sugar. Ideal for a cool-down on a hot day, this drink offers a layered, tropical taste that’s easy to sip on.
Here’s how to order it:
- Start with large ice water
- Add cherry fruit
- Add strawberry fruit
- Add lemon fruit
- Add sugar-free mango syrup
- Add sugar-free peach syrup
10. Berry Mango Wave
The Berry Mango Wave is a refreshingly light option with just the right amount of fruity sweetness. It combines sugar-free mango, peach, and raspberry syrups, bringing out a tropical, berry-kissed taste, and the real strawberries add a natural fruit texture to every sip. Perfect for a hydrating treat that’s big on flavor but light on sugar.
Here’s how to order it:
- Start with water
- Add extra sugar-free mango syrup
- Add sugar-free peach syrup
- Add sugar-free raspberry syrup
- Top with real strawberries
11. Cherry Ice Water Blast
For a refreshingly simple drink with a bold cherry twist, this Sonic combo is perfect. The cherry syrup brings just the right amount of sweetness without any sugar, while real cherries add a juicy pop and texture to each sip. It’s light, extra cold, and has that classic cherry flavor without any fuss.
Here’s how to order it:
- Ask for a large water with extra ice
- Add sugar-free cherry syrup (extra syrup if you like it strong)
- Add real cherries for a fresh, fruity bite
This drink is a super refreshing choice that’s low-calorie but full of cherry flavor!
Large water with extra SF peach syrup, lemon, and strawberries
12. Peachy Lemon Splash
This Peachy Lemon Splash is a light and fruity drink, ideal for a refreshing pick-me-up. With sugar-free peach, fresh lemon, and strawberries, it’s both sweet and slightly tart. The extra peach syrup gives it a rich flavor, while the fruit adds a burst of freshness.
Here’s how to order it:
- Large water
- Extra sugar-free peach syrup
- Add lemon
- Add strawberries
13. Mermaid Water with SF Blackberry
This drink combines sugar-free flavors with fresh fruit to create a light and energizing drink.
With the tang of lemon and a hint of sweetness from the fruit flavors, this is a refreshing pick-me-up for any time of day.
Here’s how to order it:
- Route 44 water with extra ice
- Sugar-free raspberry, peach, and blackberry syrups
- Add fresh lemon slices
- Easy fresh strawberries
