8. Lyon HallÂ
The French-German brasserie in Clarendon has $1.50 oysters, available by the half-dozen or dozen, during happy hour from 3-7 p.m. Wash them down with the $6 beer and wine selections. Seafood fans can also choose among three styles of mussels for $12, or try the seafood ceviche of shrimp, scallops, sea bass, salmon and cucumber, for $10.
3100 Washington Blvd., ArlingtonÂ