What are the opening hours?

Monday 8am - 8pm Tuesday 8am - 8pm Wednesday 8am - 8pm Thursday 8am - 8pm Friday 8am - 9pm Saturday 8am - 9pm Sunday 8am - 8pm

Ruby's Diner

Name: Ruby's Diner
Address: 3333 Bear Street Suite 120, Costa Mesa, CA, 92626, US
Telephone: (714) 662-7829
Price range: $$
Rating: 4.6

Experience diner classics at Ruby's Diner! Serving up the best burgers, fries, handmade shakes and Experience timeless classics at Ruby's Diner!
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Serving up the best burgers, fries, handmade shakes and more! Conveniently located in South Coast Plaza in Costa Mesa, California, Ruby's Diner is open for breakfast, lunch, and dinner. Whether it's date night, family dinner, or you're craving a handmade shake, we'll save a seat. With diner classics like patty melts, buttermilk hot cakes, soups, and sandwiches, Ruby's Diner is more than just food; it's a vibrant gathering place for friends and families to create moments that are destined to last a lifetime. With 'Make Room For Everyone' serving as our guiding philosophy, Ruby's Diner encapsulates the essence of togetherness.

10/08/2026

Dinner is the best meal of the day 🍔✨ Agree or disagree?

10/01/2026

Happy National Pumpkin Spice Day! 🎃🍂 To help you get in the spirit of spooky season, we are offering all My Ruby’s Rewards Members a FREE Pumpkin Spice Shake with a purchase of $10 or more. Download our app and become a MRR member to get amazing deals all year round ❤️✨

09/29/2026

Did you hear the news?! We are offering Shake Happy Hours! ✨🍒 For a limited time only, we are offering 1/2 off shakes every Monday-Thursday from 2pm to 5pm 🤩

*Applies to regular size shake only, in-store at participating locations. Excludes Balboa, airport and casino locations.

09/18/2026

Words of wisdom 🍔💭 Today is and to celebrate we are giving away 100 points on our My Ruby’s Rewards app when you order our Classic Burger for dine-in or pick-up!

09/14/2026

Our favorite time of the day? Shake Happy Hours! ✨🍒 For a limited time only, we are offering 1/2 off shakes every Monday-Thursday from 2pm to 5pm 🤩

*Applies to regular size shake only, in-store at participating locations. Excludes Balboa, airport and casino locations.

09/12/2026

In honor of , we are treating all My Ruby’s Rewards members to a 100 bonus points when you order our famous chocolate shake! Claim it in the app and enjoy ❤️🍫

Want to earn points with every order and get notified for upcoming rewards? Sign up for My Ruby’s Rewards at rubys.com/rewards

📸: Morgan Aragon

09/07/2026

It’s officially our favorite time of the year… Pumpkin Spice Shake season! 🍂✨Enjoy half off this fan favorite shake for Happy Hour! Every Monday through Thursday from 2pm to 5pm for a limited time only 🍒

08/29/2026

Last chance to win your dream vacation! 🌴✈️

Enter our Dream Getaway Giveaway for a chance to win:
🌺 A 7 night stay in Maui at Sands of Kahana OR Tahiti Village in Las Vegas
💳 A $1,000 Visa gift card for travel

All summer long, you can also enjoy our seasonal favorites. Try the Aloha Burger and our NEW Tropical Dream Shake. Both are available for a limited time. 🍍🥤

Enter today by clicking the link in our bio! 📱

08/27/2026

The perfect Ruby’s date doesn’t exi…. Oh wait, it does! Happy National Dog Day to all our four-legged friends ❤️🐶 Thanks for sharing this pawdorable photo, RIGGY 😍

08/14/2026

Forever dreaming of our 50/50 Shake 🍊🍦 In honor of National Creamsicle Day, we are giving away 100 bonus points in our My Ruby’s Rewards App when you purchase our refreshing and delicious 50/50 Shake! ✨

04/14/2026

We’re shaking things up for Spring & Summer with four new refreshing cocktails and one exotic, dreamy shake we know you’re going to love! 🍹☀️

🌶️ Chipotle Pineapple Chelada
Sweet heat meets citrusy refresh with chipotle pineapple, lemon, and Blue Moon—finished with tajin and an orange wheel.

🌺 Ruby’s Noir Sour
A bold, floral twist with hibiscus, margarita mix, and a splash of red w**e.

🍋 Soju Sour
Light, bright, and perfectly balanced with lychee, margarita mix, and a fresh lemon garnish.

🍊 HOPS Mandarin Soda
Crisp and bubbly with mandarin, Blue Moon, and soda—served ice cold with an orange wheel.

🐉 Desert Dragon Fruit Milkshake
A tropical escape in a glass—dragon fruit, desert pear, and our signature Ruby ice cream, topped with whipped cream and a cherry.

10/28/2024

Happy First Responders Day! To honor our brave first responders, Ruby's Diner is giving away a FREE shake today (October 28th)! ❤️ Swing by and enjoy a sweet treat on us! Thank you for your service 🚒🚓

This offer is only valid on 10/28/24 at our Anaheim, Balboa Pier, Carlsbad, Citadel, Corona Del Mar, Laguna Beach, San Clemente, South Coast Plaza, Tustin, and Whittier locations. Only valid on 10/28/24.

10/24/2024

To honor our brave first responders, Ruby's Diner is giving away a FREE shake on October 28th for First Responders Day! ❤️ Swing by and enjoy a sweet treat on us! Thank you for your service 🚒🚓

This offer is only valid on 10/28/24 at our Anaheim, Balboa Pier, Carlsbad, Citadel, Corona Del Mar, Laguna Beach, San Clemente, South Coast Plaza, Tustin, and Whittier locations. Only valid on 10/28/24.

03/28/2024

Hop on over to Ruby's South Coast Plaza this Sunday wearing your best Easter hat or ears and get a free shake (with purchase)! 🐰

We can't wait to see you there!

09/01/2021

Get your Ruby's faves delivered right to your doorstep! Our location at South Coast Plaza is now partnered with DoorDash! 🍔🍟

Order now: www.doordash.com/business/ruby-s-diner-2549/

Address

3333 Bear Street Suite 120
Costa Mesa, CA
92626

Opening Hours

Monday	8am - 8pm
Tuesday	8am - 8pm
Wednesday	8am - 8pm
Thursday	8am - 8pm
Friday	8am - 9pm
Saturday	8am - 9pm
Sunday	8am - 8pm

Telephone

(714) 662-7829

Website

https://www.rubys.com/locations/costa-mesa-south-coast-plaza/

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