Monday

3:30 pm - 1 am

Tuesday

3:30 pm - 1 am

Wednesday

3:30 pm - 1 am

Thursday

3:30 pm - 1 am

Friday

3:30 pm - 1 am

Saturday

3:30 pm - 8:30 pm

Sunday

4 pm - 7:30 pm

About

Grand Sumo specializes in an expansive menu of Japanese culinary staples, emphasizing the freshness of raw seafood and the precision of traditional preparation techniques. The kitchen focuses on a vast selection of nigiri, sashimi, and intricate maki rolls that showcase high-quality fish paired with seasoned vinegar rice. Beyond the raw offerings, the establishment incorporates various cooked dishes, including tempura, teriyaki, and savory noodle soups, providing a comprehensive exploration of authentic flavors. The dining space is designed for efficiency and accessibility, utilizing a straightforward layout that prioritizes high-volume service. Each dish demonstrates a commitment to classic flavor profiles, avoiding unnecessary fusion elements to remain rooted in conventional Japanese aesthetics. The ingredients are selected for consistent texture and clarity, ensuring that every plate adheres to standardized expectations of quality and preparation for patrons seeking reliable, authentic sushi experiences.

Reviews for Grand Sumo

Food

Service

on Google3.9 (100+)

*as of 2026-07-15

3.8 48 ratings

5★

54%

4★

13%

3★

2★

17%

1★

10%

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Reviews often mention

sushi(22) quality(5) frais(3) prix(3) qualite(3)

Review Summary

Grand Sumo is widely regarded as a hidden gem offering fresh, high-quality sushi and excellent poke bowls at reasonable prices. While the majority of diners praise the consistent service and quick take-out options, especially for those seeking late-night meals or vegetarian choices, there have been occasional concerns regarding consistency in food quality. Most loyal customers consider it a top-tier establishment on the South Shore, frequently recommending it for its reliable and delicious menu.

Page 1 of 4 - 32 Reviews

Bower

5.0

We always order from this place on Uber eats & the Sushi is so good for a great price, & all the times we went for pick up, the sushi man was super friendly, I super recommend!

Jul 23, 2026

on Google

Gabriel

5.0

Very delicious & high quality stuff 🤌

Jul 22, 2026

on Google

May

1.0

I ordered fried sushi with the usual avocado & salmon sushi's from Uber Eats…it was very poorly made & unsanitary. I got gastroenteritis from it & puked them out 8 times in the span of three days. I also ordered their boba & the tapioca was almost hard to chew & uncooked. Horrible experience & dangerous for health!

Jul 16, 2026

on Google

Yanis

1.0

Change de métier, sushi degueulasse laissez le métiers au gens qui le veulent

Jul 9, 2026

on Google

Thalia

5.0

Delicious!!!!! Place is a hidden gem, ratings are surprisingly low so i had to come with a 5 stars. Definitely worth it!

Jul 2, 2026

on Google

Audrey

2.0

Avant c'était les meilleures sushis mais la nuit dernière ce n'était pas frais & j'ai été malade 🤢🤮

Jun 7, 2026

on Google

Kayley

5.0

I'm on a ban from eating out to save for my move in July… but I've been dreaming about this place ❤? good selection for non meat/fish eaters. Get ready, I'm coming in one month.

Jun 3, 2026

on Google

Leya

5.0

Love these sushis open late at night, i would love a sweeter soy sauce tho

May 26, 2026

on Google

5.0

Very good take out sushi!! Good quality & great service been a customer for a while & never disappointed!!❤?

Apr 25, 2026

on Google

Thomas

1.0

Jamais eu de problèmes avec la nourriture mais les heures d'ouverture c'est n'importe quoi des fois ouvert jusqu'au milieu de la nuit desfois fermé avant 21h tres décevant & énervant

Apr 8, 2026

on Google

Grand Sumo

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About

Details

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Reviews for Grand Sumo

Review Summary