If you haven't visited Westbrook, Maine, recently, there's a lot going on in the bustling suburb of Portland. That includes Vertical Harvest, which is on the precipice of its own grand opening. Those that live and work in downtown Westbrook, Maine, are about to welcome a new restaurant choice to their lunch and dinner options. Sumo Sushi and Grill Sets Grand Opening Date in Westbrook, MaineShared on social media, Sumo Sushi and Grill is ready to open at 57 Bridge Street in Westbrook, Maine. Sumo Sushi and Grill will have their grand opening on Thursday, October 2.