Opium occupies two upper floors of the historic POTONG building in Chinatown, combining intimate indoor seats with rooftop areas. Its Liquid Surreality menu groups cocktails as apéritif, sparkle, acid, acid+, solo and duo, with food from the POTONG kitchen.
Description source · Checked 2026-09-09
Plan Your Visit
422 Soi Wanit 1, Khwaeng Samphanthawong, Khet Samphanthawong, Krung Thep Maha Nakhon 10100, ThailandChinatown / Yaowarat
- Style
- Chinatown cocktail and rooftop barChecked 2026-09-09 · Source
- Hours
- Thursday–Tuesday 16:00–01:00; Wednesday closed.Checked 2026-09-09 · Source
- Booking
- Online reservations are available by seating zone, including bartender seats, lounge and rooftop areas.Checked 2026-09-09 · Source
- Menu
- View the venue’s menu ↗Checked 2026-09-09 · Source
Hours and menus can change. Check the venue’s latest details before visiting.
The score & its evidence
Seven signals. One score.
40.5 / 100
The composite combines the seven weighted signals and the published adjustments. The chart shows each signal before weighting.
Read the full calculation- Guest ratings
- 76.6
- World's 50 Best
- 7.4
- Top 500 Bars
- 54.4
- Spirited Awards
- —None found · Checked; no qualifying signal found; contributes zero
- Regional Recognition
- 87.3
- Serious press
- 16.6
- Social Vibes
- 62.3
Guest-shift adjustment · −20%
Our annual audit records 12 hosted guest-shift dates. The published rule reduces the composite above seven dates to favor a consistent core bar experience.
Weights: Guest ratings 23% · World's 50 Best 12% · Top 500 Bars 10% · Spirited 12% · Regional Recognition 18% · Press 10% · Social Vibes 15%
Missing evidence, confirmed none and evidence outside a scoring window each contribute zero. We do not redistribute their fixed weight to other signals.
Social Vibes
Score read updated:
Sentiment score
89/ 100
The existing 89/100 remains the proprietary Social Vibes score. This source review clarifies the evidence without recalculating it.
Score context
Theatrical Chinatown cocktail bar above Potong with local ingredients, artistic glassware and immersive serves. Guests praise creative drinks, atmosphere and food from the Michelin kitchen downstairs.
Guest sources checked:
This review checks the linked sources. The stored summary and themes remain a proprietary interpretation, rather than a fresh customer survey.
Guest score details
Highlights in the stored read
- theatrical creative cocktails
- beautiful artistic presentation
- strong food from Potong
- immersive historic space
Source excerpt
“You may not want to search Opium by name alone, but it’s very much worth finding this Chinatown spot.”
This is an attributed passage from the cited source, whose author and source type are identified below. It does not establish a representative customer sample.
Source: theinfatuation.com (linked below)
This read cites editorial or award context. Those links are distinct from guest accounts; only the reviewed links in Reviews & press count toward Press.
Editorial citations in this read
- theinfatuation.comThe Infatuation Bangkok — professional review · Vichayuth Chantan · 2025-07-24
Vichayuth Chantan reviews Opium above Potong in Bangkok. The excerpt is the critic’s opening sentence; July 24, 2025 is the article date, not a verified visit date.
- timeout.comTime Out Bangkok — professional review · Tita Honghirunkham · Page date January 21, 2022; body includes 2025 material; update and visit dates unknown
Tita Honghirunkham’s review identifies Opium above Potong. The page displays January 21, 2022, but the available body discusses 2025 awards; its update date is unknown. The stored wording joins separated passages.
Crowd signal
Google 4.7★ across 557 reviews.
View on Google · Checked . Ratings and review counts can change.
Awards
Results from the three global systems scored separately in our formula.
Top 500 Bars
Regional Recognition
Regional and national lists, local awards and bartender peer picks considered for this room's Regional Recognition score. The strongest result from each program and year scores; assessed guides use the latest accepted dated status once.