The Municipal Market is one of the most architecturally interesting buildings in Bahía Blanca — a handsome early 20th-century structure with a cast-iron interior that houses a mix of traditional food stalls, deli counters, and local produce vendors. It functions as a working market rather than a tourist attraction, which is exactly why it is worth visiting.
You will find yerba mate suppliers, artisan cheese makers, and butchers who can explain the regional specialities of the Pampas. On weekday mornings it is busy with locals doing their shopping; on weekends it quietens down somewhat. The building itself merits a walk around even if you are not buying anything.