Yotsuya Brewery: Yotsuya
Yotsuya Brewery Yotsuya: Belgian rest/beer bar

No, despite the name this isn't a brewpub, simply a small neighborhood bar with a decent selection of Belgian beers on tap and by the bottle. Prices are around average, and opening hours are relatively late.

Yotsuya Brewery
Shinjuku-ku, Yotsuya 1-8, Nakagawa Bldg 1F.
Open 5pm-1am (LO; Fri -4am; Sat, Sun -11) daily.
late: Open late
Sun: Open Sundays