The Stag's Head
252 E. 51st St. (btw 2nd Ave. & 3rd Ave.)
Casual Bar $$
Happy Hour: M-F until 7pm, $5 and $6 craft drafts, $7 house wines, $6 well drinks; Sat-Sun $25 buckets of beer until 11pm
They have 16 rotating craft beers and 50+ bottles/cans. There is also a roof patio for when the weather's nice.