24/7 Classic American Diner Since 1995
A Marietta landmark serving big portions, Greek specialities, and house-made desserts around the clock. Family-owned, community-rooted, neon-fronted.
What We Serve
All-Day Breakfast
Classic eggs, pancakes, omelets, and diner staples served fresh any time of day or night.
Greek Specialities
Authentic Greek dishes from spanakopita to gyros — family recipes passed down through generations.
Famous Cake Display
House-made cakes, pies, and desserts baked fresh daily — our rotating display is a Marietta institution.
Catering
Full-service catering for corporate events, family gatherings, and celebrations of all sizes.
Late-Night Dining
When every other restaurant closes, we're still here — hot food and good coffee, 24 hours a day.
About Marietta Diner
Marietta Diner has been a beloved cornerstone of Cobb County since 1995. Owned and operated by the same family for over three decades, we've served generations of locals, night-shift workers, families celebrating milestones, and everyone in between. Our neon-lit façade on Cobb Pkwy is a landmark you can always count on — day or night.
- Open 24 hours, 7 days a week — no last call, ever
- Family recipes and Greek specialities made in-house daily
- Famous rotating cake display baked fresh every morning
- Full catering menu for events large and small
What Locals Say
"Been coming here since I was a kid. The Greek omelette is unbeatable at 2am and the cake display never disappoints. A true Marietta institution."
— Marcus T., Marietta, GA
"Huge portions, fast service, and the staff treats you like family. We bring out-of-town guests here every single time — always impresses."
— Diane R., Kennesaw, GA
"24/7 and the quality never drops — that's the real miracle. Catered our office holiday party and everyone loved it. Highly recommend."
— Kevin L., Smyrna, GA
Visit Us
Marietta Diner 306 Cobb Pkwy S, Marietta, GA 30060(770) 423-9390
Hours: Open 24 Hours, 7 Days a Week