Leslie M.
11/16/2025
The service was great. Very attentive even though it was busy. Food was good. The restaurant was clean and well maintained.
Ruby's Diner
$$
Open
(489)
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Photos
3333 Bear St Ste 120
Costa Mesa, CA 92626
Ruby s Diner was established in 1980, after junior-high buddies Doug Cavanaugh and Ralph Kosmides renovated a dilapidated building on the end of Balboa Pier in Newport Beach, Calif. The 1940s-style restaurant, which was located in a former bait shop, became an immediate hit, taking in $600,000 in the first year. In the second year, sales exceeded $1 million. Named after Cavanaugh s mother, Ruby s continued to grow. The Ruby Restaurant Group opened 27 Ruby s Diners in Southern California, Pennsylvania, Nevada, New Jersey and Missouri in the 1990s. It also has locations in Arizona, Oregon, Minnesota, Idaho and Washington. The Costa Mesa restaurant is just one of many Ruby's Diners in California.
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Reviews
3.5489 reviews
Dee K.
12/10/2025
Food is GREAT value! Service Wednesday morning was fantastic! Love the retro environment and 50s music on the jukebox!
Michele D.
10/15/2025
What a fabulous experience! It was so nice visiting this location, after all these years. It's been such great memories, and I'm so happy that this location is still around. This particular visit...
Brittany T.
9/20/2025
Honestly, idk why we tried this spot. I guess after passing it so many times at South Coast on our mall walks we thought it might be a nice spot for a quick bite. While it was definitely quick, it...
Lynnann W.
8/4/2025
I'd never been to this location and I'm so glad I stumbled onto it. Was greeted and sat immediately. It's bright, welcoming and clean. The vibe is fun. A large TV runs old black and white...
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