Bangkok's other markets — the fresh markets, the neighbourhood markets, and the ones locals actually shop at.
Highest quality fresh produce in Bangkok — already covered, but deserves emphasis as a genuine destination, not just a shopping stop.
Bangkok's wholesale fruit and vegetable market near the northern suburbs — operates 24 hours; visiting at 3 AM when trucks arrive is surreal; not a tourist market.
On the west bank opposite the Grand Palace — a dense, local market spilling from the pier with cheap clothes, food, and household goods; undervisited by tourists.
An old Bangkok market in the Dusit area dating from the reign of Rama V — vintage feel, local produce, Thai sweets, and a handful of vendors who've been there for decades.
Or Tor Kor and Wang Lang are best in the morning when produce is freshest; Talat Thai's overnight hours suit night owls specifically, while Nang Loeng keeps more conventional daytime trading hours.
These markets are spread across the city rather than clustered together — pick one or two per day rather than attempting a market-hopping itinerary in a single outing.