If u r looking for a great place to go have breakfast by urself or with ur family marys is the place to go . It is a family owned restaurant and the owners r there everyday so u know u r getting the best service possible. Everyone is treated like they r a regular and gets greeted right when they come in. They have just redecorated and the place is even better now it's a very calm and relaxed environment There food Is so good try one of there waffles or there specials .. My friend brought me here once and now I am a regular I just can't get enough

Marys Diner was great back in 04 - but once that staff left - and the place was revamped it tragically went downhill - If your looking for good food and service dont stop at Mary's Diner

Mary's Diner is by far a neighborhood favorite. Besides its having great food for reasonable prices, this restaurant stands out because of its comfortable atmosphere. All who work here welcome each customer warmly and pay special attention to each order. The layout of the restaurant itself gives it the laid-back, close neighborhood feeling that is severely lacking in many establishments in Waterbury. If one Sunday you are craving a great breakfast or brunch, Mary's Diner is definitely the place to go.