What are the opening hours?

Monday 7am - 11pm Tuesday 7am - 11pm Wednesday 7am - 11pm Thursday 7am - 11pm Friday 7am - 12am Saturday 8am - 12am Sunday 8am - 11pm

Castroville -Sonic

Name: Castroville -Sonic
Address: 955 Highway 90 E, Castroville, TX, 78009, US
Telephone: +18309316363

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Castroville, TX
Castroville -Sonic

Sonic Drive in Castroville! Serving smiles, slushes, and the best corn dogs in town! 💙🌭
Check in for daily specials, crew fun, and all the flavor you love.

06/08/2026

🚨 BIG DEALS are here at Castroville Sonic! 🚨

Whether you’re grabbing lunch, treating the kids, or making a late-night drink run, we’ve got something for everyone! 😎

🍔 $7 Big Deal Meal
Includes a Sonic Cheeseburger, Medium Tots, Small Popcorn Chicken & Medium Drink

🧸 $1.99 Wacky Packs
Everyday from 2PM–5PM

🌭 Wacky Pack Wednesday
$1.99 Wacky Packs ALL DAY!

🌙 New Hours!
We’re now open until MIDNIGHT every day!

🥤 Late Night Drink Stop
99¢ Drinks from 10PM–Close

Stop by, grab your favorites, and make Castroville Sonic your go-to spot all summer long! ☀️💙💛

📍 Castroville Sonic
Offers available at Castroville Sonic only.

06/06/2026

🏡🛍️ Community Garage Sale Day!

Hopefully you find all the treasures you’re looking for today! ✨

We wanted to join in on the fun with a special deal of our own! 🍔🍟🧃

Stop by Sonic Castroville and grab a $1.99 Wacky Pack from 2 PM–5 PM all month long in June.

And while you’re treasure hunting, don’t forget to swing by during Happy Hour for ½-price drinks and slushes! 🥤

Good luck, happy shopping, and may all your garage sale dreams come true! 💙

📍 On the lot only
📱 Not available in the app

06/03/2026

🚨BIG DEAL ALERT 🚨
Your wallet called... it said "THANK YOU."

For just $7, you can burger your cravings, tot your appetite, and pop into flavor town with our NEW Big Deal Meal!

✅Sonic Cheeseburger
✅Medium Drink
✅Regular Tots or Groovy Fries
✅Small Popcorn Chicken
That's a whole lotta munch for not a whole lotta money.

Tag the friend who says "I'II just have a bite" and then disappears with half your popcorn chicken.

Limited time only at participating SONIC Drive-Ins!

05/08/2026

🧊 Need ice for the cooler, lake day, party, or weekend BBQ? We’ve got you covered 😎

Grab our famous SONIC ice bags — now 2 for just $4!

❄️ Crunchy. Refreshing. Perfect for any occasion.
📍 Only at SONIC in Castroville

Swing by and stock up before the Texas heat wins 🌞

05/07/2026

💙 Teacher Appreciation Week continues! 💙

We were so excited to donate 80+ drinks to the incredible staff at Castroville Elementary as a small thank you for everything they do for their students every single day. 🍎✨

Thank you for all the long hours, patience, kindness, and love you pour into your classrooms. We appreciate you more than you know!

05/06/2026

✨ Hello Kitty & Friends toys are HERE ✨
And you already know the deal…

💥 $1.99 Wacky Packs ALL DAY every Wednesday 💥

Kids get the cutest toys…
You get a break on dinner… everybody wins 😌

🎀 Collect them all before they’re gone!

📍 Castroville Sonic only
🚗 On the lot only (not available for delivery or order ahead)

05/05/2026

❤️❤️❤️

05/04/2026

Kicking off Day 1 of Teacher Appreciation Week the Sonic way! 💙
We had the honor of preparing 260 large drinks to the amazing teachers at Medina Valley High School!

Thank you for letting us be a small part of celebrating the big impact you make every single day. 🍎✨
We appreciate you more than words can say!

05/02/2026

🍎✨ TEACHERS… THIS ONE’S FOR YOU ✨🍎

Because shaping minds deserves more than just a “thank you” 👏💙

We’re showing our appreciation ALL WEEK LONG with deals made just for YOU 👀👇

🥤 FREE large drink (Monday)
☕ $1 cold brew before 10AM (Tuesday)
🥤 ½ price drinks ALL DAY- Limit one per ID badge (Wednesday)
🌯 .99¢ breakfast burritos before 10AM (Thursday)
🍔 $3.49 Sonic Cheeseburger + Med tots (Friday 👀🔥)

All week. All love. All for YOU.

📍 Castroville location ONLY
🎓 Must show school ID
🚗 On the lot only

Tag your favorite teacher or send this to one who deserves a treat 💙👇

04/22/2026

🥳🥳It's Wacky Pack Wednesday!🥳🥳
That means your favorite Wacky Pack kids' meals are $1.99 all day long!

Perfect for after school treats, family dinner fun, or just because it's Wednesday

✅Kids happy
✅Wallet happy
✅Wednesday WON

Who's coming by today? Drop a 🍔 if you’ll be grabbing a Wacky Pack today!

Address

955 Highway 90 E
Castroville, TX
78009

Opening Hours

Monday	7am - 11pm
Tuesday	7am - 11pm
Wednesday	7am - 11pm
Thursday	7am - 11pm
Friday	7am - 12am
Saturday	8am - 12am
Sunday	8am - 11pm

Telephone

+18309316363

Website

https://www.sonicdrivein.com/

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