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!
Consistantly bad. Dunkin Go. 3 different time and day visits. And 3 wrong orders. The 3rd, most recent, visit the window server was adamant about making the drink in question. The server was so confident. They were WRONG. The sticker said black tea. The tea bag was in the water. WRONG. It was a coffee. With a line forming, I wasn't going to argue nor did I have enough time for a confrontation. If you go, I'd suggest you check your order and request corrections right there at the window. Perhaps the staff will pay attention to the orders.
AM
Ashley Marek
Apr 9, 2026
1.0
The employees are nice enough but more often than not they give you whatever donuts they feel like giving you instead of what was ordered. It’s starting to become a waste of money trying to order from here. I have no problem choosing replacements if they’d give me the option, but they don’t even let you know something is unavailable before choosing a replacement for you.
EDIT:
If I could give 0 stars at this point I would. There are 2 competent employees and if neither of them is there this location doesn’t function. I sat in the drive thru waiting to order, saying “hello” multiple times because no one came to the speaker. I normally mobile order but today mobile ordering was down for this location. I tried to order at the window and they would not allow it. I requested the manager and the employees that were there both said she had left for the day. Either they were lying or this woman can magically pop into existence from somewhere else because she suddenly was there. Absolute GARBAGE service unless the 2 competent employees (neither of whom are the manager) are there. Nothing but attitude and nastiness from the young employees. Would not recommend this location at this point to anyone. I’d rather go out of my way to find a dunkin that can handle making a single coffee and putting donuts in a box without wondering how the employees manage to hold down jobs.
JD
Jaelyn Dostie
Apr 2, 2026
1.0
I mobile order almost every time I go. If I order at the window it takes forever for someone to help you. They just look at you until they feel like coming over. I mobile ordered and picked up 10 minutes later today. They were still making my coffee when I got there and completely messed it up. Tastes bitter, old, and oily.
DE
David Everett
Jan 31, 2026
1.0
Honestly this is the worst dunkin donuts. Somehow they manage to make cold brew taste acidic and burnt (Im pretty sure they just put the old regular coffee from the previous day into the cold brew for the next day). They routinely mess up orders and have a very slow drive through, especially considering they do not have to worry about customers in the store. Go to the dunkin donuts by EB, they are way better.
AS
Alexandria Santora
Jan 28, 2026
1.0
literally the worst dunkin ive ever been to. The people suck
What are the regular opening hours for Dunkin' Groton, CT?
Dunkin' in Groton, CT is open daily from 4:00 AM to 9:00 PM.
Does this Dunkin' location offer delivery and curbside pickup?
Yes, this Dunkin' location offers both delivery and curbside pickup services.
What types of meals can I get at Dunkin' Groton?
They serve breakfast, lunch, and brunch options including coffee, espresso, breakfast sandwiches, and donuts.
Are there any holiday or seasonal drinks available right now?
Yes, during the holiday season, they offer drinks like the Cookie Butter Cloud Latte, Peppermint Mocha, Toasted White Chocolate Signature Latte, and the Berry Sangria Refresher.
Can I order ahead through a mobile app for Dunkin' Groton?
Yes, you can order ahead using the Dunkin' mobile app available on both the Apple App Store and Google Play Store.
Does the Dunkin' Groton location have a drive-thru?
Yes, this location features a drive-thru for convenient service.
Can I pay with credit and debit cards at this Dunkin'?
Yes, this Dunkin' accepts both credit and debit card payments.
What nearby hotels can I visit when staying in Groton near Dunkin'?
Nearby hotels include Best Western Olympic Inn and Baymont by Wyndham Groton Mystic, great places to stay close to Dunkin'.
Are there any nearby gas stations near the Dunkin' Groton location?
Yes, nearby gas stations include Xpress Fuel, Hess, and Shell, convenient stops for fuel when visiting Dunkin'.
What dining options are close to Dunkin' in Groton if I want to try other food besides coffee and donuts?
Nearby dining options include Groton Townhouse Restaurant, Domino's Pizza, Subway, and Flanagan's Food & Drink bar, offering a variety of foods and drinks to enjoy before or after visiting Dunkin'.
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