Osmo X Marusan comes across as a stylish, vibrant cafe in downtown Montreal with a lively vibe, strong coffee and a notable lineup of matcha and hojicha lattes, plus creative Japanese inspired sandwiches such as tamago sando and karaage sando and curry bowls; the space and terrace are great for studying or hanging out, and a casual DJ moment adds to the atmosphere, but the place is often crowded and loud with long waits for food at peak times, and some dishes or portions can feel small or uneven while service can be variable, yet the overall experience centers on the ambiance and drinks and many guests say they would return to try new items.
Vegan curry & the setting & embiance of this place is magnificent. I came back to Montreal to eat vegan dishes & this place was on my list as a must return!
May 3, 2026
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Matcha was amazing. Egg sandwich really nice & so was the chicken curry.
Place was very busy & loud music so not somewhere I'd go to relax but would go often for lunch if I lived in Montreal.
L'endroit est cozy, mais le service laisse vraiment à désirer. J'ai commandé un matcha en précisant que je voulais seulement un cube de glaçon & on m'a servi un verre rempli de glaçons. Quand je l'ai mentionné, le barista m'a répondu qu'il avait compris une scoop de glaçons qu'il pouvait en enlever, mais qu'il ne referait pas la boisson parce qu'ils doivent respecter des portions de lait, etc.
On a aussi commandé le poulet curry : la sauce était bonne, mais le poulet était quand même très gras.
This place is literally perfect - amazing drinks, delicious bites, incredible atmosphere. Went here twice during a very short stay in Montreal cause it was that good. My favs were the karaage sando with the curry sauce. You don't need it cause the sandwich on its own is delicious & filling but I liked it with the sauce too. Matcha quality is really good & I loved the house made white rabbit syrup with it - wasn't too sweet but added a great milky ricey flavour to it.
Been wanting to come here for a while & it did not disappoint. It is the perfect place to grab a quick lunch & study while you're at it. However it is a bit noisy so i would not recommend studying here if you get distracted easily.
The food & drinks were amazing! I like their hojicha latte & the curry rice the most but all their other options are amazing as well.
Mar 17, 2026
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Lovedddd the coffee & this delicious vegan curry bowl! For a place with only one vegan option, it's truly delish - & I'm always happy when the coffee slaps!
The curry bowls here are the perfect size for lunch & are very delicious. The matcha was also tasty. They are not sweetened though in case you are looking for a sweet matcha latte. It was very busy when we stopped in but we were able to find space on one of the shared long tables very quickly.
As upon arriving you can seat yourself & order at the cash. I got the lemonade yuzu, which was okay. Not the best. Hojicha was delicious!!! & the vegan curry was pretty good as well. This place tends to be very loud so be aware of that.
Nov 15, 2025
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They had the best karaage that I've ever had in North America so far. It is so juicy, tender & well-seasoned, always comes in fresh. They not just put the starch outside, but also keep the chicken skin & fried them well, which is really nice!
I would also recommend their matcha latte & h?jicha latte. They taste great as well!
The only downside for their meals is it comes with a small portion, only 2-3 pieces of chicken is a bit not enough. & the curry itself tastes a bit normal. I also ordered the karaage sandwich version but their bread is a bit dry. But at the end, definitely a big fan of the karaage flavor.
Really packed coffee place. But their coffee is really good. I took the tamago sandwich which was supposedly their best seller. It was ok. The portion was good, I felt full after, but the flavour was a bit missing. Maybe I just got high expectations from it. Still really good tho! I think their curry are more worth it.
Awesome little joint, don't be fooled by the exterior. Great sandwiches & to my surprise the Katsu Curry was great too.
As it moonlights as a club it's atmosphere is loud even during day service. There is a decibel monitor in the cafe & it was at 82 when we were there. We didn't wait for a line at 11:30am but the line quickly grew as we waited for our food so be ready to wait as it's a popular spot.
We heard about this place researching for our trip to Montreal & it was great for us.
Great music & atmosphere here, the food is delicious but the portions are a bit small. I ordered the chicken katsu curry(??) & there were two small pieces of chicken in it.
The café has a really cozy & inviting atmosphere, but it's not particularly suited for families with young kids. It feels more like a hangout spot for teenagers to socialize or meet new friends.
I tried the matcha latte - it was decent, though I personally prefer a stronger, slightly bitter matcha flavor. For lunch, I ordered the fried egg sandwich & the pork chop curry rice. The sandwich was nicely seasoned & quite enjoyable. The pork chop, while tasty, wasn't the traditional Japanese-style breaded version - it lacked the crispy panko coating you'd expect from a tonkatsu. That said, the curry sauce was very flavorful & well done.
Overall, the food was good, but the portion sizes were a bit small for my appetite.
8 really great tamago sandwich with smoked salmon was amazing. Chicken katsu sando would also be great to try. Def come again. Chicken curry was good but hyuga curry is better & sando is a better choice. Tamago with smoked is a great orde
