We noticed that you're using an unsupported browser. The TripAdvisor website may not display properly.
We support the following browsers:
Windows: Internet Explorer, Mozilla Firefox, Google Chrome. Mac: Safari.
The latest reviews. The lowest prices. The perfect place to shop for hotels.

Koi Sushi Boat

Map updates are paused. Zoom in to see updated info.
Reset zoom
Updating Map...
Get directions
1737 Decoto Rd, Union City, CA 94587-3542
+1 510-324-1690
11:30 - 21:30
Closed now
See all hours
Sun 17:00 - 21:30
Mon - Thu 11:30 - 21:30
Fri 11:30 - 22:00
Sat 17:00 - 22:00
More Info
Add Photo Write a Review

3 Reviews from our TripAdvisor Community

Traveller rating
Traveller type
Time of year
Showing 3: English reviews
Level Contributor
47 reviews
27 restaurant reviews
common_n_restaurant_reviews_1bd8 15 helpful votes
Reviewed 14 May 2016 via mobile

This place offers really good food and since the charges vary according to what you take from the "boats" then it can be decent or super expensive. I wish there would be more variety of dishes, because the flavor is great. Ask for the onagui sauce, they wouldn't offer to you but its available

Thank ProsperoGC
Hayward, California
Level Contributor
6 reviews
4 restaurant reviews
common_n_restaurant_reviews_1bd8 1 helpful vote
Reviewed 5 November 2012 via mobile

My family has been there couple times and this last time in October it was really good I love their rolls. they're very accommodating if there's a food I don't like they take it back immediately and fix something that I do like they've been nothing but helpful little pricey than i want to pay but it was well worth... More 

1 Thank Kyramo
A TripAdvisor reviewer on Facebook
Reviewed 23 November 2009

worst sushi I've ever had, low quality control

1 Thank A TripAdvisor reviewer on Facebook

Travellers who viewed Koi Sushi Boat also viewed


Been to Koi Sushi Boat? Share your experiences!

Write a Review Add Photos & Videos

Is This Your TripAdvisor Listing?

Own or manage this property? Claim your listing for free to respond to reviews, update your profile and much more.

Claim Your Listing
Improve this listing

Restaurant Details

Rating summary
  • Food
    5 of 5 bubbles
    4 of 5 bubbles
  • Value
    4 of 5 bubbles
    4 of 5 bubbles
Japanese, Sushi
Open Hours
17:00 - 21:30
11:30 - 21:30
11:30 - 21:30
11:30 - 21:30
11:30 - 21:30
11:30 - 22:00
17:00 - 22:00
Location and Contact Information
  • Address: 1737 Decoto Rd, Union City, CA 94587-3542
  • Location: United States  >  California (CA)  >  Union City
  • Phone Number: +1 510-324-1690

Questions & Answers

Questions? Get answers from Koi Sushi Boat staff and past visitors.
Posting guidelines
Typical questions asked:
  • Do you have gluten-free options?
  • Is there a dress code?
  • Do you allow dogs on the outdoor patio?