Food service: Cassis Restaurant is open 7 Days per week. Onyx Coffee Bar and Onyx Lounge is open 7 Days per week- Lunch and Dinner Service available 7 days per week through Onyx Lounge In Room Dining- Available Weekends Only Grand Club- Closed until further notice

Sourcing our ingredients from local and sustainable farms, dairies and purveyors is one of the most important aspects of the dining experience at Grand Hyatt Atlanta. We offer seasonal dishes that are good for our guests' health, our community, and our environment. Our Chefs serve clean, fresh flavors that are not overly complicated and excite your senses.

Cassis Breakfast
Cassis dining room Grand Hyatt Atlanta

A Buckhead classic, Cassis serves a contemporary menu with a modern American flair, inspired by the culinary talents of our Executive Chef. Enjoy our breakfast selections 7 days a week.




A la carte & buffet – 6:30 a.m. – 11:00 a.m.

The daily Buffet cost is $26.00 per person

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Onyx at the Grand
Lobby Bar & Dining
Ahi Tuna Poke Bowl
Onyx at the Grand serves chef-inspired, freshly made, locally sourced items for breakfast, lunch and dinner daily, both Dine-In and To Go.

Coffee Bar: Sunday - Saturday 6:00 a.m. – 11:00 a.m.

Onyx Bar: Sunday - Thursday 11:00 a.m. – 11:00 p.m., Friday & Saturday 11:00 a.m. – Midnight

All Day Dining: Begins at 11:00 a.m. daily. Food service ends one hour prior to bar close.

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Onyx at the Grand Coffee Bar
Coffee Bar
Onyx Coffee bar Grand Hyatt Atlanta
Onyx at the Grand Coffee Bar is a convenient stop to recharge and refresh, serving delicious breakfast items, freshly brewed coffee, and specialty espresso drinks daily.

6 a.m. – 11  a.m. daily

Grand In-Room Dining
In-Room Dining
Lunch Outdoors By Pool Fruit Bowl And Chicken

Whether you are looking for a quiet evening of relaxation, or working late to finish a presentation, Food delivery to your guest room is at your service. Our team will deliver safely prepared and packaged dining options to your room contact free. 

Dial 4061 from your Guestroom Phone or find the QR Code on your Guestroom TV to order. 


Morning service: 6:30 a.m. – 11:00 a.m. daily

Evening service: Sunday – Thursday 3:00 p.m. – 10:00 p.m., Friday & Saturday 3:00 p.m. – 11:00 p.m.

Digital Dining
Take advantage of our new digital dining option for free contactless meal delivery right to your room at Grand Hyatt Atlanta in Buckhead.