Vilkkimäen kahvimuseo is a small coffee museum set in an old dairy outside central Turku. Its collection is devoted to coffee culture, with shelves of packaging, coffee pots, grinders, roasters, and other everyday objects tied to how Finns have bought, brewed, and served coffee.
This is a niche stop, but a good one if you are interested in food history or Finnish coffee habits. It works best as a short detour by car rather than as part of a central Turku walking route.