O'Sullivan Cigars 1628 Locust St, Walnut Creek, CA94596 O'Sullivan Cigars is a seven-chair cigar lounge that offers fine cigars at reasonable prices. The cigars they…More carry are tested by store staff and stocked only if they meet rigorous standards. Cigars are kept in a walk-in humidor to maintain a constant humidification percentage and temperature. They also host private events such as bachelor parties, sport team celebrations, poker groups, and post-dinner business meetings. Along with an exceptional selection and service, they assist with cigar basics are quick to offer a mini-education on cigar types, brands and other details.