Tiffany D.
8/29/2025
Great spot great food all around good place to go to if in the area of smithtown!!!!!
Millennium Diner
$$
Open
(159)
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156 E Main St
Smithtown, NY 11787
Millennium Diner, a family-owned establishment since 2000, proudly serves the Smithtown community with a diverse menu that includes breakfast, lunch, and dinner options, as well as late-night snacks known as Millennium Munchies. The diner is committed to quality, featuring desserts made fresh in-house and offering gluten-free items to cater to various dietary preferences.
In addition to its regular menu, Millennium Diner frequently updates its daily specials to satisfy a wide range of tastes and is also available for catering and private parties. Gift cards are available for purchase, making it a perfect gift option for any occasion.
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Reviews
3.0159 reviews
Gary F.
12/8/2025
Millennium Diner in Smithtown earns a solid three stars from me. It is a classic diner with all the basics you would expect, but nothing that really stands out. The ambience is decent with a...
Debbie P.
4/8/2025
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...
Miguel O.
2/10/2025
First off they came to our table very quickly and gave us drinks very nicely. A very warm and welcoming environment for all to come eat as we came for breakfast. I got the French toast which I...
Mark S.
3/22/2025
This is the diner of my youth having grown up in Smithtown . When the pub we were at closed the kitchen we needed an alternative and I quickly remembered this diner . It failed to meet even the...
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