Welcome to the Millennium Diner
All desserts made fresh by our on premise bakery
Cakes & pies are available for take-out
Gluten free items available
Proud to be serving Long Island
We are a family owned & operated Diner/Restaurant since the year 2000. Join us for our complete breakfast, lunch & dinner specials or our delicious late night Millennium Munchies. Millennium Diner is available for catering & private parties. We are constantly changing our daily special menu to adapt to everyone’s palette. The best local diner located in the heart of Smithtown.
Take-out is available.
Gift Cards Available
Looking for the perfect gift? Look no further- – Millennium Diner has gift cards available for purchase in-store.