In fact, one of Maine's best food cities sits just across the bridge from Portland—and it's every bit as worthy of a visit. Just across the Casco Bay Bridge from the state’s biggest city, South Portland is quietly making a name for itself. South Portland has also had a recent run of great press, including James Beard nominations, rave reviews, spots on "Best of" lists. READ MORE: This Portland Taco Joint Was Just Named the Best in MaineWhat are Considered the Best Restaurants in South Portland? The 10 Most Popular South Portland, Maine, Restaurants According to TripAdvisor These 10 restaurants are what locals and tourists have voted as the best in South Portland.