There's a particular kind of restaurant that reveals itself only after you've sat down and ordered your second drink. Capitaine, the new West Village French seafood tavern at 684 Greenwich Street, is one of them. What announces itself first—the corner room, the sidewalk seating, the martini list—quickly gives way to something harder to manufacture: a restaurant that feels like it's been packed every night because people actually want to be there, not because they're checking boxes.

The menu reads like a greatest hits of French casual dining, but the execution suggests these aren't tokens. Oysters arrive as they should: briny and cold. The hiramasa tonnato—thinly sliced raw fish dressed in a creamy anchovy sauce—is the kind of dish that invites sharing, that keeps a table's conversation loose and the mood easy. Steak frites lands properly seared and unadorned, with the kind of potatoes that justify their own existence. Even the burger, that most pedestrian of proteins, lands as something worth ordering twice.

What distinguishes Capitaine from the parade of French spots that have cycled through the neighborhood is a willingness to let the room do some of the work. The cocktails are interesting without performing backflips—most run under $20—and they're strong enough that the high-energy hum of the dining room becomes genuinely infectious. You come in planning two hours and leave having lost track of time, which is either a compliment or a warning, depending on your schedule.

The crowd itself tells you everything. Multiple generations of date-nighters occupy the tables on any given night, which means Capitaine has cracked a code that most restaurants chase their entire lives: it's romantic without announcing itself as such, special-occasion-worthy without demanding a tie. This is French cool kid energy applied to a neighborhood restaurant—which is perhaps the only version of that aesthetic that actually works anymore.

Go on a weeknight if you want conversation to be possible; go on a Friday if you want to be swept up in the collective energy and order one more martini than planned.