Koro Ramen & Sushi

Takeout Restaurant · East Boston

Koro Ramen & Sushi

Takeout Restaurant · East Boston

1

329 Sumner St, East Boston, MA 02128

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Koro Ramen & Sushi by null
Koro Ramen & Sushi by null
Koro Ramen & Sushi by null
Koro Ramen & Sushi by null
Koro Ramen & Sushi by null
Koro Ramen & Sushi by null
Koro Ramen & Sushi by null
Koro Ramen & Sushi by null
Koro Ramen & Sushi by null
Koro Ramen & Sushi by null
Koro Ramen & Sushi by null
Koro Ramen & Sushi by null
Koro Ramen & Sushi by null
Koro Ramen & Sushi by null
Koro Ramen & Sushi by null
Koro Ramen & Sushi by null
Koro Ramen & Sushi by null
Koro Ramen & Sushi by null
Koro Ramen & Sushi by null
Koro Ramen & Sushi by null
Koro Ramen & Sushi by null
Koro Ramen & Sushi by null
Koro Ramen & Sushi by null

Highlights

Fresh sushi, ramen, and poke bowls, perfect for takeout  

Yelp Rating
4.0
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329 Sumner St, East Boston, MA 02128 Get directions

eatkoro.com
@eatkoro

$20–30 · Menu

Information

Static Map

329 Sumner St, East Boston, MA 02128 Get directions

+1 617 418 5101
eatkoro.com
@eatkoro

$20–30 · Menu

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Last updated

Oct 2, 2025

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@eater

Boston’s Biggest Restaurant and Bar Openings to Know About, May 2025 | Eater Boston

"A takeout-focused ramen and sushi spot in Jeffries Point launched by restaurateur Raffaele Scalzi (also involved with a nearby Italian American restaurant), serving quick, casual Japanese comfort food for the neighborhood." - Erika Adams

https://boston.eater.com/2025/5/27/24437984/boston-restaurants-bar-openings-may-2025
View Postcard for Koro Ramen & Sushi

Diandra Leigh Dente

Google
Koro is the new spot. From the moment you walk in, it's got that vibe – effortlessly chic, but still welcoming. You can tell there was thought and attention to detail about the whole experience. The sushi is so fresh, it's insane. You can really taste the quality, and tell that everything's made with so much care. Eastie has been needing a place like this, and Koro Ramen & Sushi is it. I'm so excited to have this restaurant in the neighborhood. It's not just a spot for food, it's a whole mood and so is Chef Harold.

Stefhania H

Google
If you're looking for a good atmosphere, friendly customer service (at least, a smile), and authentic Japanese food, don't go to this place. I ordered a spicy crab roll, which took them about 25 minutes to prepare. I was pretty annoyed because my friends were eating while I just sat there watching them, and to make it worse, the spicy crab roll was just ok. Also, this place does not serve authentic Japanese food, and none of the kitchen staff are Japanese. I didn’t like the vibes at all. The girls taking my order and my friend’s order were not friendly; they looked stressed out and didn’t even smile.

Kevin Zhang

Google
As a sushi lover I was so excited to hear that this restaurant was opening in Eastie. Unfortunately, the food did not live up to the expectation. The chicken karaage was good but the sushi was disappointing. I had the golden sunset and philly rolls. The fish did not taste very fresh, rice was not seasoned well, the mango was unripe, thin and leathery, and the roll quality was poor (see photos: not filled and pieces cut unevenly). Their specialty roll was so small, the same size as a basic maki despite being double in price. I do hope things improve so we can have some good Japanese food in East Boston.

Brittany O

Google
This is a great new food option in Eastie. Very clean inside and we were able to get seats right away around 6pm on a Thursday. I had the shrimp tempura roll and a build-your-own ramen. I thought the sushi was very good and a good size for the price. I love the option to pick all your own ramen components. The tonkotsu broth was delicious and the pork belly was super tender. I would highly recommend and I will definitely be back!

Josue Castillo

Google
I’ve been waiting for koro to open definitely a great addition to east Boston! I had the koro roll, wings, B.L.T roll, miso ramen and the shrimp tempura, they were all delicious I highly recommend! Can’t wait to come back and try the rest of the menu

Ali Reneé

Google
I’ve been counting down the days until Koro opened & the ramen was even better than I expected! So many toppings to choose from and they FILLED the bowls 😋 - so worth it!! The staff is also amazing and very friendly. When I walked in, I was handed a menu and got served very quickly - really great first impression before I even tasted the food! I can’t wait to come back soon and try the sushi!

Melissa Mahecha

Google
We had a wonderful time at Koro Ramen & Sushi. It's exciting to have a Japanese food option in East Boston. The food was delicious, fresh, and very flavorful. We tried the veggie and shrimp sushi, and we will definitely be coming back!

Pearl Lee

Google
Koro leaves much to be desired, food and service wise. We eat a lot of ramen and were excited to see a Japanese spot open in Eastie; I signed up for the weekly specials newsletter as a reminder to go. Won’t hold to Tokyo standard, but will hold it to other ramen that we’ve had in Boston (e.g., Santouka (our go-to), Yume Wo Katare, and the place in Chinatown across from Asana Sushi that rebranded recently) Service/Ordering : • No wait to order and seat 4 around 7:30pm, though seating quickly ran out after. Would recommend for parties of 4 or less • Several of us had questions on type of wavy/straight noodles used. Descriptions or photos would be helpful, because the wavy noodles turned out to be a non-conventional recipe. • When I ordered miso ramen with wavy noodles, I was met with “oh I think they already come with wavy…nevermind it doesn’t say on the menu.” Staff should be more knowledgeable; I expect this from a student pop-up, less so from a restaurant that’s been open for more than a month. I’m just following the 1-2-3-4 ordering steps, it was choose your broth and then your noodles. • I doubt many folks know what kukirage mushrooms are. Might be clearer to say “wood ear”, if you ever do a display revamp • During ordering, it is unclear whether you still get a third free topping if you opt for a paid topping. Partner got the bok choy, mushrooms, and $1.50 egg, but should’ve been able to add a fourth. • Kitchen was out of pork chashu two hours before closing, not a great look. • Please offer your guests cups and/or a setup for free tap water • Lights were lowered about 40% halfway into our meal even though it was ~8:15pm, far from 10pm closing time—mildly disruptive to our table’s conversation but mostly just confusing for a second • Most people’s attention is on the main menu when ordering and the weekly special flyer is easily missed. Just an observation. Food: • Chicken karaage was the highlight of the meal. Crispy batter without being too dry and good flavor on the chicken. The scallions don’t add anything when they’re underneath the chicken though, suggest leaving them out. • Miso ramen: the shiitake mushrooms were cold and watery (they should be marinated), the noodles were oddly spongey (instead of chewy & bouncy), and the miso broth was a disappointment—sharp but also lacked flavor and umami, as if the broth was thrown together 30 min ago and wasn’t given time to meld. Curious what kind of miso was used. Portions of corn and mushrooms were generous but only two leaves of bok choy? Chashu pork belly was reasonable—could be more tender, but the flavor was there. • Partner got the tonkatsu ramen. It was a thicker broth but still lacked flavor, as if flour was used to thicken it instead of aging pork bones properly. Was there any tare (seasoning sauce) added? He was similarly disappointed with the plain, cold mushrooms and $1.50 only netted half an egg. • I acknowledge this is subjective but the ramen spoons are comically large. I initially thought they were spoon rests. • I mean this in the nicest way possible, but perhaps consider lowering the frequency of your changing specials and focus on perfecting your mains. tl;dr would come back for the chicken karaage, would not come back for the miso or tonkatsu ramen unless both noodles and broths are significantly improved. Recommend taking a couple pages from Santouka and reworking some of your recipes & processes if you want to build a following. I genuinely want the best for this shop; Eastie deserves to have good (East) Asian food!