Oyster happy hours are all the rage, with new oyster bars like The Walrus and the Carpenter, Coastal Kitchen, Ballard Annex Oyster House, and soon-to-open Little Gull Grocery mixing with mainstays like Elliott’s Oyster House and Taylor Shellfish Farms. Belly up to a bar for happy hour and slurp down these briny bivalves, raised and harvested around western Washington. MH