The Bamboo Bar ★ 4.7
The Bamboo Bar at Mandarin Oriental Bangkok is the city's oldest jazz room, opened 1953. Bamboo screens, rattan armchairs, a jazz vocalist plus band Mon-Sat from 20:00.
Tip: Smart casual enforced, the only no-collared-tee bar on the riverside. Reserve via the hotel; cocktails from 700 baht, music charge after 20:00.