Opium Bar
A hidden cocktail bar above a Michelin-starred restaurant in Bangkok's Chinatown, known for inventive drinks and atmosphere.
Plan your visit
- Hours
- Mon–Tue 16:00–01:00, Thu–Sun 16:00–01:00
Carry Your Passport or a Copy
Clubs and some bars check IDs strictly, the big clubs most of all. A photo of your passport info page on your phone usually works, but carrying a laminated photocopy is safer.
Details
- Address
- 422 Soi Wanit 1, Khwaeng Samphanthawong, Khet Samphanthawong, Krung Thep Maha Nakhon 10100, Thailand
- Phone
- 082 979 3950
- Website
- www.opiumbarbangkok.com
Full opening hours
Is this your business?Feature it
Bangkok after dark
Something to book for the evening in Bangkok.
Why go, and how to do it well
Situated above Potong, a Michelin-starred restaurant on Soi Wanit 1 in Bangkok's Chinatown district, Opium Bar occupies a beautifully preserved old Chinese pharmacy building that gives the venue a character few bars in the city can match. The setting balances heritage and craft, drawing a loyal crowd of locals and travelers who appreciate bars with a story behind them.
The cocktail program is the main draw, with drinks that lean toward the unconventional — well-balanced, layered, and built around quality ingredients. Visitors who eat here also speak highly of the food, with dishes like wagyu fried rice and shrimp toast drawing particular praise. The intimate atmosphere suits couples and small groups looking for conversation and craft over volume, offering a clear contrast to Bangkok's louder nightlife options elsewhere in the city.
Written by Mac Kiley · Updated Sep 2026
Stay within reach of Opium Bar
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Bangkok after dark
Something to book for the evening in Bangkok.
Around here, on foot
Well-rated places within a short walk of Opium Bar, nearest first. Minutes are at an easy pace in the heat.
- 1 minRestaurant POTONGRestaurants & Food · 0 m · 4.6★
- 2 minNai Ek Roll NoodleRestaurants & Food · 190 m · 4.4★
- 2 minSan Chao Lao Pun Tao KongTemples & Culture · 190 m · 4.6★
- 2 minWoodbrook BangkokRestaurants & Food · 190 m · 4.3★
- 2 minSong Wat Street ArtTemples & Culture · 190 m · 4.6★
- 2 minSong Wat Coffee RoastersRestaurants & Food · 200 m · 4.5★
Experience hints
Pair your visit. After Opium Bar, round out your day in Bangkok with contrasting stops nearby.
Reviews from Google
While visiting World’s 50 Best Bars is not within my bucket list, no regrets patronising this place for the first time. Reservation was required for our visit with a non-refundable deposit of THB2000 in case of no-show. The deposit will be used to offset the final bill. Also, do note that there is a smart-casual dress code for this bar. Before my visit, I had confirmed with the bar via email (a prompt and professional reply which has set my expectation for the great service even before my arrival) that tailored chinos shorts are acceptable, just not beach shorts. Slippers or flip-flops are definitely not acceptable. The cocktails offered were quite interesting, especially the one that opted: World Champion - From Sip to Seed. Not too strong, elegantly presented that stimulates the senses of your taste buds. Other drinks on our table includes The Opium Oath (interestingly presented as well suited with its name), Pukka (with a BBQ squid to stimulate your sense of smell while taking a sip) and Hogmanay Tea (nothing fanciful). Of all the drinks ordered, I was glad that I opted for the World Champion drink. The drinks were served with refillable snacks as well. We also had the chance to order some food from the fine dining restaurant Potong; we ordered the Aromatic Dry-Aged Duck Leg Skewer (limited to 3 portions daily) and the Iberico Luo Buo Gao. Both were delicious, especially the turnip cake. This bar truly lives up to its reputation of being one of the World’s 50 Best Bars. Definitely lots of thoughts and effort poured into among those concoctions. Not to mention, the staff were friendly, knowledgeable and helpful as well! Note: The 2-person lift is interesting; but there may be a slight waiting time - else try going up or down the steep steps to experience the architecture of old buildings in Bangkok.
Overall, I had a great experience. The food was really impressive — the wagyu fried rice was rich and flavorful, and the shrimp toast was absolutely delicious. Both dishes were highlights of the night. The staff provided good service and were friendly and empathetic, which made the atmosphere enjoyable. However, it was sometimes difficult to get their attention — every time we needed something, we had to actively ask for service. If they were a bit more attentive, the experience would be even better. The cocktails were nicely crafted but felt a bit light on alcohol. If they were slightly stronger, they would be perfect.
One of my fav hidden bar in China town area. In an authentic old building, on the top of the famous Potong, michelin star restaurant, Opium offers great unconventional drinks with a great story. Must visit while in bangkok... but booking is mandatory.
A sample of visitor reviews from Google. Read all 547 reviews on Google.
422 Soi Wanit 1, Khwaeng Samphanthawong, Khet Samphanthawong, Krung Thep Maha Nakhon 10100, Thailand
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Tips for Visiting Nightlife & Bars
Know the Closing Times
Legal closing time is 2 AM for most venues, though enforcement varies. In Bangkok's designated entertainment zones (RCA, Silom Soi 2/4, Khao San), some clubs stay open until 4 AM. Islands tend to be more relaxed about hours.
Buy Bucket Drinks Cautiously
Island bucket drinks (mixed spirits in a small bucket) are cheap and fun but notoriously strong and inconsistent. Stick to one, stay hydrated, and never leave your drink unattended at beach parties.
Arrange Your Ride Home
Use Grab (ride-hailing app) to get home safely — taxis outside nightlife areas late at night often refuse meters. Set up the app before going out, and keep your phone charged.
Opium Bar: Frequently Asked Questions
Is Opium Bar worth visiting?
Opium Bar holds a 4.7★ rating from 547 Google reviews, placing it among the highest-rated nightlife & bars in Bangkok.
What are the opening hours of Opium Bar?
Opium Bar is typically open 16:00–01:00 — see the full day-by-day schedule in the location info on this page. Hours can change on Thai public holidays, so check ahead for holiday visits.
When is the best time to visit Opium Bar?
The best months to visit Bangkok are November – February, with the most reliable weather. Crowds peak in December & January — going early in the day usually means fewer people. Months to think twice about: April – May (peak heat).
Where is Opium Bar located?
Opium Bar is at 422 Soi Wanit 1, Khwaeng Samphanthawong, Khet Samphanthawong, Krung Thep Maha Nakhon 10100, Thailand, in Bangkok. Getting around Bangkok: BTS Skytrain (most central areas); MRT Metro (underground).
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