Chef-owner Ken Yim's Waterloo sushi house pairs fish-first sashimi, weekday lunch value, and a 120-seat Phillip Square room near the university.

Gyubee Japanese Grill turns an all-you-can-eat meal into a shared cooking session: beef, seafood and vegetables move across the grill while sushi rolls and small plates reset the pace. The Waterloo location works best as a group dinner, with separate lunch and all-day formats, a deep current selection and a practical two-hour rhythm for the full evening menu.

Exclamation joins a ramen shop, bento counter, and art gallery in one Waterloo dining room. The restaurant's house-made noodles and creamy chicken-bone broth carry bowls topped with everything from chashu pork and black garlic oil to smoked duck, beef tongue, cod katsu, and truffle-scented vegetables, while dumplings, bentos, tea, sake, a piano, and a children's corner make the room feel deliberately open-ended.

Owner Jin Chen built Kin Gyu Japanese Grill around 28 individually vented tabletop grills, giving Uptown Waterloo a full-service yakiniku room where the cooking becomes part of the night. The current menu moves from ribeye and kalbi short ribs to torched rolls, seafood small plates and Japanese snacks, with enough range to pace a long shared meal rather than rush a single main course.

Momoya is a University Plaza Japanese comfort-food stop built around complete katsu sets, ramen, udon, donburi, sushi rolls, and snackable small plates. The best path is menu-led: Rosu Katsu Set for the full meal, Takoyaki for the group, and Beef Don for a direct bowl.

Watami Sushi is a compact Uptown Waterloo Japanese room built around torched pressed sushi, special rolls, sashimi, lunch bentos, sake, and group-friendly party trays.