Zen Yai Thai Restaurant

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925 O'Farrell St
San Francisco, CA 94109

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4.0939 reviews
Photo of Ashley R.
Ashley R.
12/28/2025

Our favorite Thai restaurant in the city! We've been here so many times and it's always good, whether eating in or taking out. They recently moved to a new location - it's very close to the old...

Photo of Brennan S.
Brennan S.
1/6/2026

Zen Yai Thai is packed with flavor. A couple of friends and I adventured to the Tenderloin district to find some good Thai food- and we did just that! The staff was friendly and the food was...

Photo of SY C.
SY C.
1/6/2026

TL;DR: delicious Thai food, best boat noodles I've had in the city, lots of seating! I would come back just for the Tom yum noodles I'd never visited Zen Yai before, possibly because I was always...

Photo of Pam K.
Pam K.
12/29/2025

The service I had was friendly. I came to try their boat noodles and everything would've been perfect if it wasn't cloyingly sweet. Due to that, I had a difficult time eating it at all, but the...

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Anna T.
11/23/2025

Food 5/5 The Thai boat noodle soup here is one of my fav! They have the option where you can order a small size for only $5-$6 and the large size is definitely a good portion for one person. The...

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