Millennium Diner
Smithtown, NY · Diner
- Address
- Millennium Diner, 156 E Main St, Smithtown, NY 11787
- Phone
- (631) 724-5556
- Website
- www.themillenniumdiner.com
- Status
- Open · Closes 2 AM
Millennium Diner is a restaurant located in Smithtown, NY. It is one of 100 restaurants listed in Smithtown. Its 4.1-star rating is slightly below the Smithtown city average of 4.3 stars. There are 10 photos associated with this location.
About Millennium Diner
Family Diner
Hours
| Saturday | 7 AM–2 AM |
Customer Reviews
An overall decent meal was had here. It’s expensive but at least the portions are large enough that you feel you got your money’s worth. We ordered a steak sandwich medium rare and it came well done. They knocked off a bit on the price for that. The chicken gyro was not very good. It had an usual flavor/seasoning. The Ruben and vegetable panini were both good. Most likely would not visit again, but if you’re into the diner experience, this isn’t a bad spot. All staff service was phenomenal.
I ordered a sandwich off doordash and called ahead because I have a dangerous sesame allergy. The guy over the phone assured me there's no sesame. I asked him to check the bun and he assured me there's no sesame flour or anything sesame used. This is the equivalent of spitting in my face. Be careful at the millennium diner because they obviously don't care if their food puts you in the hospital. This order was placed 2/24/26 around 10:15pm and I hope the guy that did this to me gets canned.
Millennium Diner offers a dependable and straightforward dining experience, capturing the classic feel of a local Long Island eatery. The atmosphere is unpretentious and comfortable, making it a reliable spot for a casual sit-down meal at almost any hour. The Turkey Club is a well-regarded dinner choice, featuring traditional preparation and generous layering. Additionally, their Greek Salad with grilled chicken is a consistent and fresh option for those seeking a lighter but filling entree
I recently attended a relative’s baby shower at the Millennium Diner. Soula went above and beyond to make sure the event was perfect. The portions of food were generous and I enjoyed the chicken caesar salad. Looking forward to going back for breakfast.
I don’t have that much to say. Very tipical greasy diner. I have to say that have never seen a dirtier bathroom, no joke, a gas station has a cleaner women’s room than here. Not much for reviews however had to come in because it was that bad. They say the cleanliness of a bathroom reflects on how clean the kitchen is I hope it’s not true in this case
Accessibility & Amenities
Services
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This listing is informational. Contact the business directly to verify credentials, services, and availability.