Vessel is located in the heart of Union Square district of San Francisco, California. A custom-built and spacious subterranean venue, Vessel is open five days a week (Tuesday through Saturday). During the week, Vessel provides the ultimate lounge experience, perfect for those seeking a contemporary happy hour with hors d'oeuvres, chilled lounge music, and ample seating on plush Italian leather banquettes. On weekends, Vessel features world-class DJs on its Funktion One sound system with hip hop on Fridays and house music on Saturdays. There is plenty of parking with over 3,000 spaces in a two-block radius. All major credit cards are accepted.