Sushi-San - River North
Chicago, IL · Japanese
Tier 3 · Menu claim only What the tiers mean
Wagyu from $42 on the menu we read
This listing's current published materials advertise Wagyu, but the offering does not meet our full verification standard for provenance. It carries no authenticity badge; undisclosed details remain explicitly unverified.
Why it's listed
A River North izakaya-style sushi room with several Wagyu preparations. The headline cut is a Winterfrost Wagyu Bavette, premium Winterfrost American Wagyu seared over binchotan coals with an au poivre sauce. Also on the menu are a Wagyu Tataki signature sashimi, a Wagyu Tartare crispy rice, and a Beef n Bop with Wagyu short rib. Winterfrost is named as the producer; breed generation is not disclosed.
Wagyu on the menu
- unknown
- Brand / Prefecture
- Not listed
- Grade
- Not listed
- Producer
- Not listed
- American
- Brand / Prefecture
- Not listed
- Grade
- Not listed
- Producer
- WinterFrost
| Origin | Brand / Prefecture | Grade | Producer |
|---|---|---|---|
| unknown | Not listed | Not listed | Not listed |
| American | Not listed | Not listed | WinterFrost |
Sourced from
Evidence on file
“Winterfrost Wagyu Bavette* premium winterfrost american wagyu seared over glowing binchotan coals ... 42”
sushisanrestaurant.com “Breed: Tajima Wagyu + predominantly Jersey ... WinterFrost uses a single-tiered BMS score of 6-8”
winterfrost.com
Quoted from the venue's own menu or site. A Wagyu claim on a menu is not the same as documented provenance.
Something wrong with this restaurant? Tell us
Common questions
- Does Sushi-San - River North serve real Wagyu?
- Its own current menu advertises Wagyu, and that claim was read directly on July 20, 2026. What the menu does not do is say which Wagyu: no prefecture, grade, breed status or producer is published, so the sourcing cannot be checked from outside. That is a gap in what is written down rather than a suggestion that anything is wrong with the beef, and plenty of kitchens buy carefully without printing the details.
- What kind of Wagyu does Sushi-San - River North serve?
- Its menu discloses unknown and WinterFrost. Each of those is taken from the venue's own current materials rather than from a review or a listing site, and the evidence behind it is quoted further down this page.
- Why is Sushi-San - River North listed without a Wagyu badge?
- Because a badge here means the sourcing was checked, not that the food is good. This listing is published because the venue genuinely advertises Wagyu on its own current material, and it carries no badge because that material does not say which Wagyu. If the venue publishes the prefecture, grade, breed status or producer, the listing can move.
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