 ArtWalk takes place approximately every six weeks on Saturday evenings throughout the year . ArtWalk is organized by Galveston Arts Center , which releases an ArtWalk <unk> featuring a map of participating venues as well as descriptions of shows and exhibits . <unk> include GAC , Galveston Artist Residency and artist ’ s studios and galleries . Additionally , art is shown in “ other walls ” — for example <unk> <unk> or Mosquito Cafe — or outdoors at Art Market on Market Street . Musicians perform outdoors and at venues such as the <unk> Gallery & Public House or Old Quarter Acoustic Cafe . While most ArtWalk events are concentrated downtown , there are a number or participants elsewhere on the island . 
