Cornerstone Italian Deli
4.5 ★ · 190 reviews on Google · $
Closed now · 3050 Biddle Ave, Wyandotte, MI 48192
Cornerstone Italian Deli is a sandwich shop at 3050 Biddle Ave in the center of Wyandotte, MI. It occupies a small historic building built in 1918, with a casual, cozy atmosphere and both indoor and outdoor seating. The business describes its menu as deliberately simple and limited, centered on the classic Italian submarine sandwich. Its stated approach emphasizes ingredients rather than a broad sandwich selection, with soda pop and chips among the additional items. The women-owned shop offers counter service, dine-in, takeout, curbside pickup, and delivery, along with catering. Lunch and dinner are listed as popular uses, and the shop welcomes families and solo diners. A children’s menu is available, and dogs are allowed inside and outside. Free street and lot parking are listed, as are a wheelchair-accessible entrance, parking, restroom, and seating. Cornerstone Italian Deli has a Google rating of 4.5 from 190 reviews.
Know before you go
- Classic Italian submarine sandwiches
- Small historic building built in 1918
- Simple menu with soda pop and chips
- Dogs welcome inside and outside
- Counter service, takeout, and delivery
- Reviewers often praise the food (3 mentions)
- Reviewers often praise the service (2 mentions)
- Reviewers often praise the quality (1 mentions)
Reviews
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Excerpts from public reviews
Very nice people there was a question about my order and they resolved it immediately. And the food was excellent.
— Google, 5★, September 20, 2026Best subs around! Craving a sub? Go here you will not be disappointed.
— Google, 5★, September 12, 2026Food was great, service exceptional. Thank you so much for your kindness on a really crappy day. 😇
— Google, 5★, September 3, 2026
Questions and answers
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