This is a ticketed, format-specific event — not the standard Saturday market browse. An all-you-can-eat seafood boil on the waterfront is a different animal than the usual vendor stalls. The "farewell" framing suggests a send-off for a specific market run or vendor relationship, which tends to mean the kitchen is motivated. Expect crab, shrimp, and corn in the pile; bring napkins or accept the consequences.

Practical note: the Ferry Building's outdoor space fills fast on weekends. If you're coming from the East Bay, Embarcadero BART puts you at the door. Skip the Uber drop on Steuart — it backs up. Walk from the station.

With two hours, I'd buy the ticket, eat until it stops making sense, then walk the back side of the Ferry Building toward the piers where it thins out.