Our Five Branches
Siam Green locations in Bangkok and Koh Samui
Siam Green has five licensed cannabis dispensaries. Four are in Bangkok, at Phrom Phong, Nana, Silom and Chinatown. The fifth is on Chaweng Beach Road in Koh Samui.
Open daily. Chinatown 8am to midnight, all other branches 11am to 3am. Each card below lists the address, opening hours and phone number. Get directions opens that branch in Google Maps. Nearest branch uses your location to find the closest one.
All five branches
Siam Green Co - Phrom Phong
Bangkok / Sukhumvit Road, next to EmQuartier
Address.663 Sukhumvit Road, Bangkok 10110
Hours.Open daily 11am to 3am
Phone.(+66) 096 893 0545
Nearby. EmQuartier, Emporium, Asok
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Siam Green Co - Nana
Bangkok / Sukhumvit Road, next to Korea Town
Address.210 Sukhumvit Road, Bangkok 10110
Phone.(+66) 093 323 6505
Nearby. Nana Plaza, Sukhumvit Soi 11, Terminal 21
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Siam Green Co - Chinatown
Bangkok / Maha Chai Road, near Yaowarat
Address.325 Maha Chai Road, Bangkok 10200
Hours.Open daily 8am to midnight
Phone.(+66) 098 127 3004
Nearby. Yaowarat, MRT Wat Mangkon
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Siam Green Co - Silom
Bangkok / Sala Daeng BTS, near Patpong
Address.18 Silom Road, Bangkok 10500
Phone.(+66) 096 403 4198
Nearby. Patpong, Lumphini Park
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Siam Green Co - Chaweng
Koh Samui / Chaweng Beach Road, opposite Central Samui
Address.200/8 Chaweng Beach Road, Ko Samui, Surat Thani 84320
Phone.(+66) 092 484 2330
Nearby. Chaweng Beach, Central Festival Samui
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See all 12 landmarks near our branches
Where each branch is
In Bangkok, Nana is on Sukhumvit Road between Soi 10 and Soi 12, next to Korea Town, and Phrom Phong is on Sukhumvit Road next to EmQuartier. Silom is by Sala Daeng BTS, near Patpong. Chinatown is on Maha Chai Road, near Yaowarat. On Koh Samui, the Chaweng branch is on Chaweng Beach Road, opposite Central Festival Samui.
About our branches
Our first branch opened in Phrom Phong in January 2023, and four more have opened since. All five run under the same conditions: 20 or over only, photo ID checked, and DTAM-trained staff present during all opening hours.
Common questions
How many Siam Green branches are there?
Five. Four are in Bangkok (Phrom Phong, Nana, Silom and Chinatown) and one is in Chaweng on Koh Samui.
Where is the Koh Samui branch?
At 200/8 Chaweng Beach Road, Chaweng, Koh Samui 84320, opposite Central Festival Samui.
What are the requirements?
Can I use a prescription from my home country?
No. Foreign prescriptions are not valid in Thailand, and taking cannabis into or out of the country is prohibited.
Get directions
Tap a branch to open its Google Maps listing.