Sweetwater Music Hall 19 Corte Madera Ave, Mill Valley, CA94941 Sweetwater Music Hall is th reincarnation of a historic Mill Valley music venue located in the Masonic Hall across from…More City Hall. The venue is owned by a group of investors that includes former Grateful Dead guitarist Bob Weir. It opened in January 2012 and hosts all types of shows and performances and also has a cafe and bar. Events include open mic nights, local performances, acoustic shows, as well as special events, including a screening of the Super Bowl. Check its website for details on upcoming events or to join the mailing list for information on shows, special deals and events.