Colusa Casino Stadium (formerly known as Appeal-Democrat Park, Bryant Field and later as All Seasons RV Stadium) is a stadium in Marysville, California, USA. Its name reflects a sponsorship deal with Colusa Casino and Resort. The stadium is primarily used for baseball and is the home field of the Marysville Gold Sox, formerly named the Yuba-Sutter Gold Sox, of the Horizon Air Summer Series, a collegiate woodbat league. The ballpark has a capacity of 4,000 people.