Dunkin' Castle Rock Grand Opening

Dunkin's first Castle Rock location celebrates its grand opening Saturday, Oct. 24, 2026, from 8 to 10 a.m. at 1185 Aloha Street in Founders Marketplace. The first 100 guests in line at 8 a.m. get Free Coffee for 100 Days: a free medium hot or iced coffee in the Dunkin' Rewards app for 100 consecutive days, after entering the promo code given that day (must be entered the day it's awarded). The offer excludes Cold Brew, Nitro Cold Brew and espresso drinks; open to Colorado residents in the Castle Rock area who are Dunkin' Rewards members; no purchase necessary. From 8 to 10 a.m. there's a prize wheel with Dunkin' merchandise and an appearance by Cuppy, Dunkin's mascot. At 9 a.m., Quality Brand Group hosts the official ribbon cutting, followed by a $3,000 check from Dunkin' and its Joy in Childhood Foundation to Children's Hospital Colorado. Free to attend.