Long-running chain serving signature breakfast items & a variety of coffee drinks.
Hours
| Saturday | 4 AM–9 PM |
| Sunday | 4 AM–9 PM |
| Monday (Labor Day) | 4 AM–9 PM Hours might differ |
| Tuesday | 4 AM–9 PM |
| Wednesday | 4 AM–9 PM |
| Thursday | 4 AM–9 PM |
| Friday | 4 AM–9 PM |
Address and Contact Information
Address: 923 Boston Post Rd, Old Saybrook, CT 06475
Phone: (860) 388-9121
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Dunkin’ at 1635 Boston Post Rd in Old Saybrook
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Old Saybrook, CT · 1635 Boston Post Rd. Open NowCloses at 7:00 PM. 1635 Boston Post Rd. Old Saybrook, CT 06475 · 923 Boston Post Rd. Open NowCloses at 9:00 PM.
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Last Updates
Get all your pumpkin favorites just in time for fall. From the Pumpkin Spice Signature Lat…
Aug 16, 2023
August is here and we are serving up hot offers to keep Dunkin’ Rewards members…
Aug 8, 2023
Get your July Dunkin’ Rewards Member Exclusives. Cool down on sizzlin’ July days with a…
Jul 19, 2023
Can you feel the heat? We’re diving into the sunny season with wave of Dunkin’ Reward…
Jun 14, 2023
America runs on Dunkin’ and this National Donut Day, America runs on FREE donut…
May 31, 2023
No matter how you pronounce “pecan,” all fans can get excited because Butter Pecan Swirl i…
May 5, 2023
From May 1st – 31st, Dunkin’ Rewards members can unlock a bevy of offers available…
May 4, 2023
Reviews
Bethany Liefeld
Everyone always jokes about how you go to Dunks and just put your fate in their hands. Sometimes your coffee is excellent and sometimes it’s awful. However, the other day, this Dunks made me one of the best coffees I’ve ever had. For that alone, I’m giving them a 5 star rating. My next coffee might be even better or it might be absolute trash. It’s an adventure ♀️
… moreEvelyn Larkin
After several visits to this Dunkin I have had it today. Placed a large order at 12pm for 44.49. Placed 50.00 in my account to pay for it. Went at 1pm to pick up order. Handed my husband 2 drinks that were warm and tasted like cleaner. Handed him 2 sandwiches that were burnt. He went inside for rest of order. The man stated they have no order. We paid online and had the order number. Had to discard the drinks and sandwiches. NO Order was
… moreSarmin Shahariath
Quick service, helpful staffs. I like going to this location for breakfast during the weekdays. It’s not too busy and sitting area is cozy.
… moreSarah Carr
Super nice customer service! Gave us our drinks, made sure we got our Dunkin app points, and took our old Dunkin cup from another Dunkin! Great service
… moreTodd S
Lobby closed NO sign
… morecolin asby
I went through the drive thru, they charged me for the coffee I ordered then they forgot what I ordered they forgot we were at the window and they got the coffee wrong. But then again it is dunkin
… moreAllan Gadbois
Be aware that Dunkin Donuts closes the lobby areas early and only offers a limited drive thru service in the late evenings. I appreciated the exceptional customer assistance that provided an amazing cocoa and a friendly customer conversation at checkout. Definitely will stop by while i am in the Old Saybrook area. 5 ⭐star customer service.
… morejames tremble
First time at Dunkin in old say brook 15 min wait with three cars ahead of me
… moreDawn
I go here quite often while at times it’s good ,other no so good. Twice now my drink was done wrong ,it’s really not that hard to make ,just they don’t always pay attention to the stickers on the cups ,or put in wrong … I was literally just in there and asked to speak to Denni I believe her name is,one worker told me she’s in the back,another worker told me she’s doing paperwork,yet another told me she already left earlier,and one other worker said she was there and was gonna have her come out and never did… Stood there a good 10 mins waiting ,the last worker never came back out to tell me anything just peeked around the corner to see if I left… When I saw that just turned around and walked out
… moreV M
Great place to sit and talk with a friend. No issues are interruptions inside.
… more