Denver has very few restaurants that have hit 35 years and are still on the upswing, but Sushi Den's commitment to the freshest seafood and the most exacting standards have kept it at the top of its game for years. And the restaurant, owned by brothers Toshi and Yasu Kizaki, continues to innovate by looking to Japan's culinary history as well as its current trends. That's why it seems that there's always something new on the menu — though even those items adhere to a simple and clean aesthetic that lets the ingredients speak for themselves. The best fish from the icy waters surrounding Japan as well as from well-maintained fisheries around the world turn up here daily, making Sushi Den quite a catch for landlocked Colorado.