Guinness Stout
O'Duffy's was the first pub in SW Michigan to receive the Guinness Gold Standard pint award, and may still be the only one in Kalamazoo.

Harp Lager

Smithwicks Irish Ale (pronounced Smitticks)

Bass Ale

Lindeman's Framboise

Arcadia Cask Conditioned Ale - selection varies, currently IPA

The other 3 taps vary, by season.
Currently: Dos Equis, Arcadia Whitsun and Pilsner Urquell