Martinez, California Club is located at 900 Waterbird Way, Martinez, CA 94553 USA 925.372.9599 ![]() Overview, Martinez, California Bunker. The US west's oldest bunker; since April 1961. ![]() Here is the current view after fall, 2008 upgrade to Rossini automatics. Bunker originally built 85 feet long in 1961, to accommodate Serena half-cock manual machines. ![]() Interior view, MGC bunker with Rossini air-cock traps after upgrade ![]() End machine and air compressor view, MGC bunker ![]() New Entrance to MGC Bunker ![]() View from station 1, MGC bunker |