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จันทร์ 12:00 - 17:00 18:00 - 00:00 อังคาร 12:00 - 17:00 18:00 - 00:00 พุธ 12:00 - 17:00 18:00 - 00:00 พฤหัสบดี 12:00 - 17:00 18:00 - 00:00 ศุกร์ 12:00 - 17:00 18:00 - 00:00 เสาร์ 12:00 - 17:00 18:00 - 00:00 อาทิตย์ 12:00 - 17:00 18:00 - 00:00

The O.S.S Bar

Step into a clandestine realm where the spirit of adventure and mystery

17/04/2026

After the water settles,
Songkran lingers a little longer at O.S.S. 💦

A seasonal selection still waiting -
Tropical Scream. Pearl of Songkran. Siam Summer Smoke. 🍸

Behind the bar,
precision, rhythm, and everything in between. 🍸

🌐 For reservation, DM or call us⁠
📞 +66 63 273 0719⁠
🗓️ Open Daily
O.S.S. Room: 12:00 - 17:00
O.S.S. Bar: 18:00 - 24:00
📍 6 Kasem San 2 Alley, Wang Mai, Pathum Wan, Bangkok 10330⁠

15/04/2026

Warm light, quiet corners, and tea gently brewing.

A space to take a breath
and settle into the afternoon.
At O.S.S.

🌐 For reservation, DM or call us⁠
📞 +66 63 273 0719⁠
🗓️ Open Daily
O.S.S. Room: 12:00 - 17:00
O.S.S. Bar: 18:00 - 24:00
📍 6 Kasem San 2 Alley, Wang Mai, Pathum Wan, Bangkok 10330⁠

13/04/2026

Wishing you a refined and refreshing Songkran. 💦
May the season bring renewal, joyful moments and meaningful celebrations.
From all of us at O.S.S.

สุขสันต์วันสงกรานต์ 💦
ขอให้เทศกาลแห่งการชำระล้างและการเริ่มต้นใหม่นี้
เติมเต็มด้วยความสดชื่น ความสุข
และช่วงเวลาที่น่าจดจำ
ด้วยความปรารถนาดีจาก O.S.S.

🌐 For reservation, DM or call us⁠
📞 +66 63 273 0719⁠
🗓️ Open Daily
O.S.S. Room: 12:00 - 17:00
O.S.S. Bar: 18:00 - 24:00
📍 6 Kasem San 2 Alley, Wang Mai, Pathum Wan, Bangkok 10330⁠

11/04/2026

The Hit

A precise blend of The Deacon Whisky, Teremana Blanco Tequila,
Demonio De Los Andes Pisco, and more - layered with intention.
Silent. Refined. Dangerously smooth.
Only at The O.S.S. Bar. 🍸

🌐 For reservation, DM or call us⁠
📞 +66 63 273 0719⁠
🗓️ Open Daily
O.S.S. Room: 12:00 - 17:00
O.S.S. Bar: 18:00 - 24:00
📍6 Kasem San 2 Alley, Wang Mai, Pathum Wan, Bangkok 10330⁠

10/04/2026

Not your usual night at O.S.S. 🎉

Stranger in a Strange Land - blues, movement, and live sound take over the night. 🥳
Get lost in the sound. Find yourself in the dance.

23 April 2026 | From 6:30PM till late
Blue Welcome Night At THE O.S.S. ✨

Reserve now - before it fills.
🌐 For reservation, DM or call us⁠
📞 +66 63 273 0719⁠
🗓️ Open Daily
O.S.S. Room: 12:00 - 17:00
O.S.S. Bar: 18:00 - 24:00
📍 6 Kasem San 2 Alley, Wang Mai, Pathum Wan, Bangkok 10330⁠

08/04/2026

Tea of the Day, with K. Fon 🍵
Jim Thompson Exclusive Blend - Monsoon Tea, Thailand
A quiet ritual. A considered choice.
Told through K. Fon, our Guest Experience & Relationship Manager.
Some things are better seen than said.
See it in motion. Exclusively at The O.S.S. Room. 💫

🌐 For reservation, DM or call us⁠
📞 +66 63 273 0719⁠
🗓️ Open Daily
O.S.S. Room: 12:00 - 17:00
O.S.S. Bar: 18:00 - 24:00
📍 6 Kasem San 2 Alley, Wang Mai, Pathum Wan, Bangkok 10330⁠

06/04/2026

As the streets come alive with water 💦
O.S.S. offers a different kind of escape.

Pearl of Songkran - soft florals, quiet strength.
Tropical Scream - intimate, bright, controlled.
Siam Summer Smoke - depth, smoke, a trace that lingers.
Songkran cocktails await. 🍸

Only at O.S.S this month.

🌐 For reservation, DM or call us⁠
📞 +66 63 273 0719⁠
🗓️ Open Daily From 18:00 - 24:00
📍 6 Kasem San 2 Alley, Wang Mai, Pathum Wan, Bangkok 10330⁠

04/04/2026

What’s inside Jim’s Mystery Box?

Expect the unexpected - from Miang Kham Pla Yang
to sweet finishes like The O.S.S Macaron and Mulberry Fig Muffin.
Each bite tells a different story but the magic lies in discovering it yourself.

Tap to watch the full experience 🎥

🌐 For reservation, DM or call us⁠
📞 +66 63 273 0719⁠
🗓️ Open Daily
O.S.S. Room: 12:00 - 17:00
O.S.S. Bar: 18:00 - 24:00
📍 6 Kasem San 2 Alley, Wang Mai, Pathum Wan, Bangkok 10330⁠

04/04/2026

The O.S.S. Bar will be closed on April 4, 2026, from 12:00 PM to 12:00 AM due to a private event. We sincerely apologize for any inconvenience caused and look forward to welcoming you again the following day. ❤️🙏🏻

03/04/2026

Afternoon tea, slow moments and delicate sets By Day.
Low lights, intimate moments and a different energy By Night..
Same space. Two moods.
Welcome to the O.S.S.

🌐 For reservation, DM or call us⁠
📞 +66 63 273 0719⁠
🗓️ Open Daily
O.S.S. Room: 12:00 - 17:00
O.S.S. Bar: 18:00 - 24:00
📍 6 Kasem San 2 Alley, Wang Mai, Pathum Wan, Bangkok 10330⁠

31/03/2026

Codename: The Femme Fatale
Elegant. Calculated. Highly addictive.
One of O.S.S.’s most sought-out signatures. 🌟
Some subjects are better experienced than explained.

🌐 For reservation, DM or call us⁠
📞 +66 63 273 0719⁠
🗓️ Open Daily From 18:00 - 24:00
📍 6 Kasem San 2 Alley, Wang Mai, Pathum Wan, Bangkok 10330⁠

30/03/2026

Almost end of the month is here. You know where to find us.

Just exceptional cocktails in a setting where secrets are sipped and stories linger.

The night is yours.

🌐 For reservation, DM or call us⁠
📞 +66 63 273 0719⁠
🗓️ Open Daily From 18:00 - 24:00
📍 6 Kasem San 2 Alley, Wang Mai, Pathum Wan, Bangkok 10330⁠

ที่อยู่

6/1 Kasem San 2 Alley, Wang Mai, Pathum Wan
Bangkok
10330

เวลาทำการ

จันทร์	12:00 - 17:00
	18:00 - 00:00
อังคาร	12:00 - 17:00
	18:00 - 00:00
พุธ	12:00 - 17:00
	18:00 - 00:00
พฤหัสบดี	12:00 - 17:00
	18:00 - 00:00
ศุกร์	12:00 - 17:00
	18:00 - 00:00
เสาร์	12:00 - 17:00
	18:00 - 00:00
อาทิตย์	12:00 - 17:00
	18:00 - 00:00