Umi Sushi Opens Second Location Along Carroll Creek in Downtown Frederick Back in April, we first let you know that Umi Sushi, a family-owned modern Japanese restaurant based in Historic Ellicott City, was planning a second location in downtown Frederick. Now, Umi Sushi Frederick is finally here. The restaurant will hold its soft opening in the former South Mountain Creamery space along Carroll Creek. South … Continue reading Umi Sushi Opens Second Location Along Carroll Creek in Downtown Frederick