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Dunkin' Zero
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Dunkin'

3.5
(242 reviews)
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Business Details

1056 Poquonnock Rd, Groton, CT
06340, United States
(860) 449-0726
https://www.dunkindonuts.com
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About

Coffee ShopDonut ShopBreakfast RestaurantBakeryBagel ShopFast Food RestaurantTake Out RestaurantDunkin'
Dunkin’ is America’s favorite all-day, everyday stop for coffee, espresso, breakfast sandwiches and donuts. The world’s leading baked goods and coffee chain, Dunkin’ serves more than 3 million customers each day. With 50+ varieties of donuts and dozens of premium beverages, there is always something to satisfy your craving. Dunkin’ is proud to serve Groton, CT for all breakfast and snacking needs. Stop by today to try a classic favorite or a new featured product!

Details

  • Dine-inAvailable
  • DeliveryAvailable
  • TakeoutAvailable
  • Credit cardAvailable

Location

Dunkin'
1056 Poquonnock Rd, Groton, CT
06340, United States

Hours

Reviews

3.5
242 reviews
5 stars
97
4 stars
44
3 stars
29
2 stars
29
1 star
43

What are people saying?

AI-generated from recent customer reviews

Service Issues

Numerous customers reported frequent mistakes with their orders, rude staff interactions, and poor management behavior, leading to a negative overall experience.

Food Quality

Many reviews highlighted inconsistent food quality, including incorrect orders, poorly prepared items, and unsatisfactory presentation.

Staff Behavior

Several customers noted that staff members, including management, displayed unprofessional behavior, such as being rude or dismissive towards customers and each other.

Cleanliness

While some customers appreciated the cleanliness of the location, others reported unsanitary conditions, including flies in the store.

Positive Experiences

Despite the negative feedback, a few customers praised the friendly staff and good coffee, indicating that there are positive experiences to be had.
  • JM
    Jay Mineau
    Feb 13, 2026
    1.0
    the employees and management are rude, refuse phone calls when their service is subpar at best and never make the food right. the day this location shuts down and is replaced with something better will be a significant improvement in this town
  • ZY
    Zach Yohama
    Feb 13, 2026
    1.0
    The food's good, whenever it's made right. The coffee is decent, whenever it's made right. Which many of those times, about 80-90% of the time, it never is, you're much better off either going to Starbucks or BigY right across the street for coffee, donuts and breakfast sandwiches, because at least neither of them would blatantly ignore the fact that I had the order confirmation for food I got, but was refused service just because they didn't have a little piece of paper saying they received the order, which I can only assume they threw the receipt out and said they "didn't get it." When me and my brother asked if there was anything we (or God forbid, they) could do to, and they just kept saying that because they didn't have the receipt, they weren't going to make the food, then when my mom called back asking what was going on with the food, they hung up on her and took the phone off the receiver! Would give this a zero stars, if I could, but I can't. BigY has much better food, anyway and will never be ordering from this DD again. 0/10, will never recommend, not even to my worst enemy.
  • JB
    joshua Burkhalter
    Jan 29, 2026
    1.0
    My order was wrong twice simple unsweetened tea iced with four liquid sugars. Do give me iced coffee black. Told him I'm ordering ice tea not coffee. At which point I saw Eric just manager one of my order fixed he told me because he was stressed out to go to a different store
  • AC
    Alberto Centeno
    Dec 20, 2025
    2.0
    Each and everytime i go to dunkins they always give me the wrong order i ordered bacon egg and cheese i get home to find out i got the wrong order this is BS
  • DR
    Dzianis Ramanchyk
    Oct 18, 2025
    2.0
    Made online order on drive through. Get wrong donuts.
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