Developer Gene LeFevre's hospitality endeavors include the posh Morris House Hotel near Pennsylvania Hospital in Washington Square West, where its M Restaurant offers gracious garden dining.

His new spot, opening Thursday, Aug. 24, flips the script 180 degrees.

It's a casual gastropub called Six Feet Under (727 Walnut St.), so named because it's entirely subterranean and — based on a eyeball of the situation — just about six feet below the sidewalk.

It's on the same Jewelers Row block that is home to Fat Salmon and El Fuego, around the corner from Cooperage and Talula's Daily/Garden.

Six Feet Under is a brick-walled, low-light warren of rooms – including two bars, a dance floor, a dining room, and smaller nooks that are tailor-made for small groups of coworkers or friends.

Six Feet Under, 727 Walnut St. Note the shovels mounted on the wall.
MICHAEL KLEIN / Staff
Six Feet Under, 727 Walnut St. Note the shovels mounted on the wall.

In fact, LeFevre says, he intends Six Feet Under to be a "living room" for his neighbors, down to the viewing parties for popular TV shows.

Thursday nights will feature live jazz, and DJs spin Friday and Saturday nights.

Hours are 11:30 a.m. to 2 a.m. daily, and breakfast is served all day.

Seating area near the main bar at Six Feet Under, 727 Walnut St.
MICHAEL KLEIN / Staff
Seating area near the main bar at Six Feet Under, 727 Walnut St.