Atlanta's dining scene has no shortage of splashy openings, but Koshu Club (koshuclubatl.com) arrives with something rarer: restraint. The new Buckhead restaurant from Mujō chef J. Trent Harris and Castellucci Hospitality Group channels the quiet sophistication of Shōwa-era Japanese supper clubs through a moodier, more intimate lens.

Warm lighting and lowslung seating set the tone inside the moody dining room designed by Smith Hanes Studio. PHOTO BY ANDREW THOMAS LEE

Warm lighting and lowslung seating set the tone inside the moody dining room designed by Smith Hanes Studio. Photo By Andrew Thomas Lee

Located at 99 West Paces, the 45-seat concept takes its name from intentionally aged sake, a fitting reference for a restaurant rooted in patience and layered flavors. “The name carries both of those ideas. Aging, nuance and something that reveals itself over time,” Harris says. “It is refined, but it is still a place you can return to often.”

Designed by Smith Hanes Studio, the low-lit dining room centers around a glowing 16-seat bar meant to evoke the warmth of a robata grill. “Everything in the room pulls your focus there,” Harris says. Uniforms by Sid Mashburn add another polished touch.

The menu balances washoku and yōshoku influences with a more transportive style of dining. PHOTO BY ANDREW THOMAS LEE

The menu balances washoku and yōshoku influences with a more transportive style of dining. Photo By Andrew Thomas Lee

The menu moves between washoku and yōshoku influences with an a la carte format that feels transportive yet approachable. Dishes will rotate frequently but may include seared fatty tuna and an Edo Caesar salad with jakko, as well as charcoal-grilled specialties like A5 Japanese wagyu and refined sides like mushroom doria and daikon with miso sauce.

Soft lighting and restrained details shape the restaurant's quietly atmospheric setting. PHOTO BY ANDREW THOMAS LEE

Soft lighting and restrained details shape the restaurant's quietly atmospheric setting. Photo By Andrew Thomas Lee

Central to the cooking is sumibiyaki, the art of grilling over binchōtan charcoal, which chef Harris describes as “very hands-on” and rooted in balance and precision. The beverage program follows suit, pairing Japanese-inspired cocktails with a deep sake selection curated by two in-house sake sommeliers and a 700-bottle wine list—setting the tone for the kind of dinner that effortlessly stretches long after the last course lands.