Mercer Wine Estates announces the Grand Opening of their new tasting room at 18 E. Main Street in Walla Walla Washington on July 27, 2024 Finding the historic Martin’s Jewelers space and joining other amazing tasting rooms in downtown Walla Walla has been a dream for the Mercer family. For many years, members of the … Continue reading Mercer Wine Estates to open Downtown Walla Walla Tasting Room