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Dunkin' Zero
Brand Certified

Dunkin'

3.9
(351 reviews)

Business Details

(860) 388-9121
https://www.dunkindonuts.com

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 Old Saybrook, 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'
923 Boston Post Rd, Old Saybrook, CT
06475, United States

Hours

Monday4:00 AM - 8:00 PM
Tuesday4:00 AM - 8:00 PM
Wednesday4:00 AM - 8:00 PM
Thursday4:00 AM - 8:00 PM
Friday4:00 AM - 8:00 PM
Saturday4:00 AM - 8:00 PM
Sunday4:00 AM - 8:00 PM

Menu

1 menu · 73 items

Explore offerings from Dunkin' on 923 Boston Post Rd in Old Saybrook, with popular iced drinks, hot drinks, frozen drinks, and sandwiches & wraps available at this location.

Dunkin' Menu

73 items

Reviews

3.9
351 reviews
5 stars
174
4 stars
74
3 stars
41
2 stars
15
1 star
47
  • KW
    Kerry Wolff
    2 days ago
    1.0
    Definitely the worst Dunkin I’ve ever been to. When they screw up your food they refund you in cash/change. Not credit back on your credit card. Entirely managerial issue
  • TM
    Tracey Morin
    Jul 13, 2026
    2.0
    Coffee was horrible, water downed.
  • RA
    Rob Anselmo
    Jul 8, 2026
    1.0
    Went here today and ordered the same thing as always which is a large Iced protein latte and a bagel CC. I usually give my card but was prompted to pay on their machine in the drive through. Asking if I can tap to pay and cashier said yes so I did and she then told me it will ask me a question in which it did not. She then told me I chose to tip them $1.34 which I did not authorize. I asked for that refund and was told I can’t have that back to which I said I will contact my credit card company. Still waiting on my food, that cashier went to the side to mock me over “crying over $1.34 that she earned” her colleagues were all agreeing with her that that was my order. Terrible service and now since tipping is involved, I will have to part my ways with Dunkin as a whole. Disgusting service with a protein latte made wrong to boot.
  • CB
    C. B
    May 20, 2026
    1.0
    Why are you forcing customers to choose tipping options when they use their cards to pay? Tipping culture is OUT OF CONTROL. Here's a tip, PAY YOUR EMPLOYEE'S MORE.
  • JG
    Joe Gordon
    Mar 18, 2026
    1.0
    Service was slow. Server was rude and argumentative. Frozen coffee was room temp. Food was bad. Absolutely terrible.

Frequently Asked Questions About Dunkin'

What are the opening hours of Dunkin' in Old Saybrook, CT?

Dunkin' in Old Saybrook, CT is open daily from 4:00 AM to 8:00 PM.

Does this Dunkin' location offer delivery and pickup services?

Yes, this Dunkin' offers both delivery and curbside pickup services.

Brand Certified Facts from Dunkin'

This information is certified by Dunkin' and published from the brand's official system of record. Data is distributed through an enterprise-grade knowledge management platform. Learn more about our data sources
Certified August 16, 2026Yext Knowledge Graph
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