Harbour City Donuts is praised for its delicious donuts with various flavors such as Nanaimo, custard cream, blueberry, banana, raspberry jam, and Oreo. Some customers recommend avoiding the toasted corners of the sandwich. The lunch menu, specifically the Italian, is also appreciated for its fresh ingredients. The service is described as great with polite and quick staff. Multiple customers state that Harbour City Donuts have the best donuts they have ever had.