I myself worked in a McDonald's restaurant in the 44, so I'm used to it and I've seen it, I had to eat in Saint Malo one lunchtime, not disappointed, normal waiting time normal prices (like a lot of McDonald's) and above all VERY CLEAN restaurant, and I'm used to seeing them, really well done 👏
Very well organized, you will certainly find a classic McDonald's experience there.
Very long for two children's orders (25 minutes), an error in the order, beware of waste ++++ because the very unfriendly lady who prefers to throw it away because it's not what we ordered :)
Edit; another error in the order service = they throw the order in the trash.
The entrance near the trash can was dirty (waste on the floor). A little cleaning makes the welcome more pleasant. Very friendly staff, very serious service. Decent food.