Mastro's Ocean Club - Newport Beach
Newport Beach, CA · Steakhouse / Seafood
Tier 1 · Certified / Registry-Verified What the tiers mean
On the official Kobe Beef registry as No. 1329. See the U.S. Kobe list
This is not a halal restaurant. It prints a supplier brand carrying the word halal on one American Wagyu cut, which describes that product line and not the kitchen. The restaurant itself makes no halal claim, no certifier is named, and the kitchen also handles pork and alcohol. If you need halal, treat this as a sourcing detail rather than a place to eat.
How to check a halal claim →Why it's listed
Mastro's Ocean Club in Newport Beach runs one of the most complete Wagyu programs in the directory, with a dedicated menu section spanning all three origins: A5 Kobe (100% Tajima cattle, Hyogo Prefecture), A5 Miyazaki, Australian Westholme, and American WinterFrost. The venue is on the official Kobe Beef registry (No. 1329), and its current dinner menu names prefecture, grade, and producer for each cut. Open evenings nightly and actively taking reservations.
Wagyu on the menu
- Japanese
- Brand / Prefecture
- Kobe (Tajima cattle, Hyogo Prefecture)
- Grade
- A5
- Producer
- Not listed
- Japanese
- Brand / Prefecture
- Miyazaki Prefecture
- Grade
- A5
- Producer
- Not listed
- Australian
- Brand / Prefecture
- Westholme
- Grade
- Not listed
- Producer
- Westholme Cross Cattle
- American
- Brand / Prefecture
- WinterFrost (Halal)
- Grade
- Not listed
- Producer
- WinterFrost
| Origin | Brand / Prefecture | Grade | Producer |
|---|---|---|---|
| Japanese | Kobe (Tajima cattle, Hyogo Prefecture) | A5 | Not listed |
| Japanese | Miyazaki Prefecture | A5 | Not listed |
| Australian | Westholme | Not listed | Westholme Cross Cattle |
| American | WinterFrost (Halal) | Not listed | WinterFrost |
Cuts named on the Wagyu menu
Read from this venue’s quoted evidence, so a listed cut may not be on tonight. What these cuts are
Sourced from
Buy it online
Evidence on file
“A5 Kobe Beef - New York 4oz / 6oz - 100% Tajima Cattle - Hyôgo Prefecture; Japanese A5 Wagyu - New York 8oz / 10oz - Miyazaki Prefecture; Australian Wagyu Tomahawk Chop - Westholme Cross Cattle; American Wagyu - WinterFrost Halal”
mastrosrestaurants.com “8112 E Coast Highway, Newport Beach, CA 92657 -- open Sun 4:30-9:30, Mon-Wed 5:00-9:30, Thu-Fri 5:00-10:00, Sat 4:30-10:00; 'Reservations are highly recommended... at Mastro's Ocean Club Newport Beach.'”
mastrosrestaurants.com
Quoted from the sources checked when this listing was verified.
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Common questions
- Does Mastro's Ocean Club - Newport Beach serve real Wagyu?
- Yes, and it says where the beef comes from. Mastro's Ocean Club - Newport Beach in Newport Beach, CA publishes enough detail on its own materials to identify the Wagyu it sells, which is the standard this directory calls verified, last checked on August 18, 2026. That means a named Japanese brand or prefecture with its grade, an American breed status with a named producer, or an Australian producer with a marbling score.
- What kind of Wagyu does Mastro's Ocean Club - Newport Beach serve?
- Its menu discloses Kobe (Tajima cattle, Hyogo Prefecture) A5, Miyazaki Prefecture A5, Westholme and WinterFrost (Halal). 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.
- Is the Wagyu at Mastro's Ocean Club - Newport Beach Kobe beef?
- Yes, on both counts that matter. This venue appears on the official Kobe Beef Marketing and Distribution Promotion Association registry, and Kobe was on its verified menu when last checked on August 18, 2026. Both are required here: a registry listing alone is permission to buy Kobe, not proof that any is being served.
- How was Mastro's Ocean Club - Newport Beach verified?
- By reading the venue's own current material, its menu, its site or its ordering system, and quoting the line that names the beef. Reviews, aggregator copies and press mentions are not accepted as the source, because they go stale silently. Verification is assisted by AI and every claim is stored with the page it came from, last confirmed on August 18, 2026.