O'Brien's is a bar with a terrace and for cocktails at 77 Rue Saint-Dominique, 75007 Paris, France, in Paris’s 7th arrondissement. A short walk away: Au Canon des Invalides (60 m), The Club (90 m) and Le Recrutement (90 m). When O'Brien's posts a deal or a happy hour on TchinTchinNow, you book it online and pay at the bar.