That would be at 99 Avenue B between Sixth Street and Seventh Street... (At least according to Streeteasy listings.) This is a 265-square-foot unit going for $225,000 (that's $849 per square foot).
Here's the listing for the home that has been on the market for 147 days:
WELCOME HOME to this Prime East Village Gem! Situated just steps from Tompkins Square Park and the beautiful "6th & B" community garden, this darling studio apartment is the perfect oasis in the middle of it all. Located in a renovated pre-war elevator co-op, this first floor unit features hard wood floors throughout, exposed brick walls, track lighting, updated pullman kitchen, windowed bathroom, and a generously sized private storage unit. Building amenities include a common courtyard space, landscaped roof deck with fabulous views of Manhattan, laundry room, and bike room. Pied-à-terres and parents buying for children are permitted, and pets are allowed. Don't miss out on this wonderful opportunity and fantastic VALUE!
And no mention in the listing of being so close to one of the better bars around — Manitoba's?