3 listings in Marysville, 3 of them farmers markets. 1 has a market day and hours from a public register or the market's own website, and 1 appears in the USDA SNAP retailer register. Market days in Marysville: Wednesday (1).
Few Marysville listings have a schedule or SNAP authorization we could source. Everett, 8 miles away, has 6 listings with more sourced detail; see also all of Washington.
Marysville 3rd Street Farmers Market is authorized SNAP retailer in the USDA register. Ask at the information table how EBT tokens work at that market.