You will find McDonald's, a American restaurant, at 28, 29 St Mary St in Cardiff. It is also listed as fast food restaurant, breakfast restaurant and chicken restaurant. It is listed as open 24 hours. It is a branch of McDonald's — 31 branches in our listings.
28, 29 St Mary St, Cardiff CF10 1ABChecked October 2026
Details
Address28, 29 St Mary St
PostcodeCF10 1AB
CityCardiff
CategoriesAmerican restaurant, Fast food restaurant, Breakfast restaurant, Chicken restaurant, Delivery service, Diner, Hamburger restaurant, Restaurant
Websitemcdonalds.com
BrandMcDonald's · 31 branches
Coordinates51.47875, -3.17806 · View on OpenStreetMap
Opening times
MondayOpen 24 hours
TuesdayOpen 24 hours
WednesdayOpen 24 hours
ThursdayOpen 24 hours
FridayOpen 24 hours
SaturdayOpen 24 hours
SundayOpen 24 hours
Hours can change on holidays — check with the business before you go.
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