4.3
600+ Ratings
Sonic (1215 Grand Ave)
4.3 x (600+) • American • Fast Food • Burgers • Chicken • Desserts • Comfort Food • $ • Info
x Delivery unavailable
1215 Grand Ave
Delivery
Pickup
Sonic on Grand Ave in San Marcos offers a diverse menu that includes a selection of burgers, hot dogs, and a variety of frozen treats like SONIC Blasts®. This ice cream and frozen yogurt spot is popular for its... More
Sonic on Grand Ave in San Marcos offers a diverse menu that includes a selection of burgers, hot dogs, and a variety of frozen treats like SONIC Blasts®. This ice cream and frozen yogurt spot is popular for its late-night service, drawing customers with favorites like Mozzarella Sticks and Soft Drinks. Their extensive menu also features kid-friendly meals and all-day breakfast options, catering to a wide range of tastes. The Soft Pretzel Twist paired with a soft drink is a common choice among patrons. With a customer rating of 4.4, this venue is a go-to for both hearty eats and delightful desserts. Less
Rating and reviews
"The slushes are always top notch! The burgers are severely underrated, I have liked every burger I tried."
• Chris T. • 09/07/24
"Jacob delivered my order with care in the evening traffic. Drinks and food are done as ordered."
• Jen C. • 12/06/23
x $0 delivery fee
Other fees x
Delivery unavailable
Delivery time
Sunday
9:00 AM - 12:30 AM
Monday - Friday
10:00 AM - 12:30 AM
Saturday
9:00 AM - 12:30 AM
Featured items
Featured
- Buffalo Chicken Dip Bites$3.65Popular
- Buffalo Chicken Dip Bites - Party Pack 20pc$18.29Now in a 20-piece and perfect to share with the whole crew! Enjoy juicy chicken, buffalo sauce, and melty cheddar cheese blended together and then stuffed and fried in a crispy, golden-brown wrapper.
- Cheesy Bacon SONIC® Stack$10.72An all beef, seasoned patty stacked with crispy bacon and layered with two slices of melty American cheese, crinkle cut pickles, diced onions, tangy ketchup, creamy mayo, and served between two thick slices of Texas Toast.
- Cheesy Bacon SuperSONIC® Stack$13.16Two all beef, seasoned patty stacked with crispy bacon and layered with three slices of melty American cheese, crinkle cut pickles, diced onions, tangy ketchup, creamy mayo, and served between two thick slices of Texas Toast.
- Rainbow Slush$3.65A rainbow-inspired slush with blue raspberry, real strawberries, and lemonade flavor that’s as flavorful as it is colorful. Available in medium size only.
- Bacon Ranch Queso Wrap$2.43An all-white meat, crispy tender wrapped up in a soft, flour tortilla along with crisp bacon, melty cheddar cheese, creamy ranch and creamy, white queso.Popular
- Southwest Crunch Queso Wrap$2.43An all-white meat, crispy tender wrapped up in a soft, flour tortilla along with a creamy Southwest sauce, crunchy tortilla strips, melty cheddar cheese and creamy, white queso.
- Queso$1.22Hot and creamy white queso perfect for dipping.
- SONIC® Smasher$9.26
- Triple SONIC® Smasher$10.48
- Bacon Ranch Loaded Queso Fries$4.87Hot and crispy Groovy Fries covered in melty shredded cheddar cheese, warm, velvety queso, crisp bacon, and a drizzle of creamy ranch. Available in medium size only.
- Southwest Loaded Queso Fries$4.87Hot and crispy Groovy Fries covered in melty shredded cheddar cheese, warm, velvety queso, diced onions, ripe tomatoes, a drizzle of creamy southwest sauce and topped with sliced jalapeños. Available in medium size only.
Flavorista Favorites
- Rainbow Slush$3.65A rainbow-inspired slush with blue raspberry, real strawberries, and lemonade flavor that’s as flavorful as it is colorful. Available in medium size only.
- Classic Cruiser$2.55The classic flavor of Coca-Cola® combined with a sweet hit of cherry vanilla.
- Grape Escape$2.79It’s bubbly, it’s grapey, it’s limey – it’s the perfect flavor escape.
- Lemonade Cream Cooler$4.62A bright and tangy lemonade slush blended with sweet and creamy soft serve.
- Twisted Flamingo$2.92A refreshing twist of Sprite, cherry vanilla, and sweet cream.Popular
- Paradise Sunset$2.92A bubby drink with a citrusy burst of blood orange and sweet, real strawberries that will whisk you away to paradise.
- Dirty Dr Pepper®$3.28The sweet flavor of cocoThe sweet flavor of coconut, cream, and lime infused in your Dr Pepper.nut, cream, and lime infused in your Dr Pepper.
Combos
Burgers
Chicken
Hot Dogs
Kids' Meals
All Day Breakfast
Snacks & Sides
Frozen Zone
Everyday Deals
Can I order Sonic (1215 Grand Ave) delivery in San Marcos with Uber Eats?
Yes. Sonic (1215 Grand Ave) delivery is available on Uber Eats in San Marcos.
Is Sonic (1215 Grand Ave) delivery available near me?
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How do I order Sonic (1215 Grand Ave) delivery online in San Marcos?
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Where can I find Sonic (1215 Grand Ave) online menu prices?
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How do I get free delivery on my Sonic (1215 Grand Ave) order?
To save money on the delivery, consider getting an Uber One membership, if available in your area, as one of its perks is a $0 Delivery Fee on select orders.
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Payment is handled via your Uber Eats account.
What’s the best thing to order for Sonic (1215 Grand Ave) delivery in San Marcos?
If you’re in need of some suggestions for your Sonic (1215 Grand Ave) order, check out the items showcased in “Picked for you” on this page.
Where can I find more Sonic Drive-In locations nearby?
Visit our page that lists all of the Sonic Drive-In stores in San Marcos.
