Open at 115 Third Street in downtown Castle Rock. As of late June 2026, Izumi holds 4.6 stars across 55 Google reviews and 4.2 stars across 16 Yelp reviews β a healthy early signal for a restaurant still in its soft-open phase (the business has not yet claimed its Google Business Profile). Reservations are accepted by phone at (720) 749-6172. Owner Manna Pan (who also runs the Izumi Sushi in Littleton) confirmed on 5/19/2026: cold sake list includes Dassai 45, Kubota Black Label, Sakari Yuzu/Matcha, and Hakkaisan 3-year snow-aged; draft beer is Asahi and Sapporo; wine list still in tastings with supplier (planned varietals: sauv blanc, chardonnay, pinot gris, cab sauv, pinot noir, merlot); current dessert menu is green tea and vanilla bean ice cream. DougCo Social visited 5/14/2026 β high-end authentic Japanese (not American-style sushi) with high-end ingredients at honest prices: never-frozen fish, real crab in California rolls at $10, curated whiskey + sake program (Macallan 12, Macallan Rare Cask, Macallan Harmony, Yamazaki 12, Don Julio 1942), fresh-cut flowers as plate garnish. Highlights from our visit: Kobe Beef Truffle Roll, Toro Uni Roll, Salmon Fried Rice. Standouts include $10 California roll with REAL crab, Castle Rock Roll, Izumi Roll, Toro Uni Roll, Kobe Beef Truffle Roll ($29). It's a local pick for date night, omakase tasting, business dinner, sushi purists, whiskey + sake lovers at the bar, $10 California real-crab value, downtown Castle Rock.
The standout: the $10 California roll with REAL crab β a local favorite at Izumi Sushi.