San Marcos City Hall Community Gallery San Marcos art gallery at San Marcos City Hall in San Marcos, Texas On view San Marcos City Hall Community Gallery Exhibition (2026) 20 Apr 2026 — 15 Sep 2026 A juried art exhibition showcasing community artists at San Marcos City Hall Community Gallery. Past exhibitions (1) San Marcos Community Gallery Exhibition (September 2025 – March 2026) 1 Sep 2025 — 1 Mar 2026 A group art exhibition hosted at San Marcos City Hall Community Gallery in San Marcos, Texas, running from September 2025 through March 2026.