Dunkin is offering free coffee to rewards members on Tuesday, May 19, 2026. The promotion covers 1 million free coffees in total. Once that limit is reached, the offer ends. Consequently, acting early in the day gives the best chance of securing one before supplies run out.
The giveaway covers a standard hot or iced coffee. Both options are included in the promotion. Dunkin teased the offer on Instagram with a video showing a WANTED poster reading “BOUNTY: 1,000,000 free coffees Tuesday,” signaling the limited and time-sensitive nature of the deal.
How to get your free Dunkin coffee today
The process is straightforward. Dunkin is releasing a promo code on Tuesday morning, May 19. Rewards members can enter that code in the “Offers and Rewards” section of the Dunkin app to redeem the free coffee. The code becomes available at the start of the day, so checking the app early improves the odds of claiming one before the million-coffee cap is hit.
Importantly, the app is not strictly required to participate. Customers can also visit any participating Dunkin location in person and request the promotion directly at the counter. However, using the app allows for faster ordering and lets customers check real-time store availability before heading out.
Where to find Dunkin locations in Michigan
Michigan residents have more than 130 Dunkin locations to choose from across the state. The chain has a particularly strong presence in metro Detroit, Lansing and West Michigan. Cities with multiple locations include Detroit with 6, Lansing with 5, Warren with 5, Clinton Township with 4 and Bloomfield Hills, Howell, Kalamazoo, Shelby Township, Southfield, Southgate and Wyandotte each with multiple spots.
Additional Michigan cities with at least one Dunkin location include Allen Park, Ann Arbor, Auburn Hills, Battle Creek, Belleville, Benton Harbor, Birch Run, Birmingham, Bridgman, Brighton, Brownstown Charter Township, Byron Center, Cadillac, Canton, Chelsea, Chesterfield, Clarkston, Commerce Township, Comstock Park, Dearborn, East Lansing, Farmington, Farmington Hills, Fenton, Ferndale, Flat Rock, Fort Gratiot, Grand Rapids, Grandville, Grass Lake, Grayling, Hartland, Highland Park, Holt, Houghton, Iron Mountain, Jackson, Jenison, Keego Harbor, Kentwood, Lake Orion, Lincoln Park, Livonia, Madison Heights, Marquette, Menominee, Monroe, Mount Pleasant, New Baltimore, New Haven, Niles, Novi, Oak Park, Okemos, Otsego, Oxford, Plymouth, Pontiac, Redford, Roseville, Royal Oak, Saginaw, Saint Joseph, Stevensville, Taylor, Traverse City, Troy, Waterford, Waterford Township, West Branch, Westland, White Lake, Whitmore Lake, Wixom, Woodhaven and Ypsilanti.
The full list of locations with addresses and hours is available at locations.dunkindonuts.com.
A few things to keep in mind
The offer is limited to rewards members only. Non-members will need to join the Dunkin Rewards program before redeeming. Signing up is free and takes only a few minutes through the app or the Dunkin website. Furthermore, the promotion applies only to standard hot or iced coffee, not specialty drinks or other menu items.
Given that the offer caps at 1 million customers nationwide, demand will be high. Checking the
Source: Detroit Free Press / USA Today Dunkin, free drinks, Dunkin app, coffee deals, May 2026
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