Food & Beverage · Coney Island Diner

National Coney Island - 8 & Harper

21150 Harper Ave, St Clair Shores, Michigan, 48080

Google Maps Updated: 17 May 2026
Authenticity Score: 75/100
About

National Coney Island is a local staple that divides opinion. Fans praise the classic Hani and friendly service, while critics point to declining food quality, small portions, and poor customer service. Cleanliness, especially in the restrooms, is a major pain point for many regular visitors.

Our Review Process
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Highest rating
20
Lowest rating

We analyze 73 public reviews for National Coney Island - 8 & Harper using our data models and filter out spam to highlight only authentic feedback.

Performance Scores
Food Taste 65/100
Value for Money 50/100
Pro Tip

Check your carry-out bag before leaving the counter to ensure all items are included.

Diner Vibe
Carry-out Available
Pros & Cons

✓ What Works Well

  • Classic Hani and coney dogs
  • Fast service when it's on point
  • Good for breakfast meetups

✗ Areas to Improve

  • Dirty restrooms
  • Inconsistent order accuracy
  • Small portion sizes for the price
Frequently Asked Questions
  • Why is the service so slow?
  • Are the portions getting smaller?
  • Is the food still consistent?
User Feedback

The Hani is a must-try.

Service can be spotty depending on the shift.

Bathrooms need serious attention.

Location Details
Street: 21150 Harper Ave
Neighborhood: St Clair Shores
State: Michigan
Postcode: 48080
Country: United States
Location
21150 Harper Ave, St Clair Shores, MI 48080
Quick Info
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