Anyone who regularly visits the Maine Mall area in South Portland knows that change is inevitable. In terms of hotels near the Maine Mall, there had been one constant. That would be the Days Inn, which has sat tucked away near the Maine Turnpike on ramp since it was built in 1987. The Days Inn in South Portland to Become a New Spark By Hilton HotelAfter spending 37 years being a Days Inn, the hotel located at 461 Maine Mall Road in South Portland has nearly completed its transition to becoming a Spark by Hilton hotel. Read More: Stores That Used to Be at the Maine Mall Here are some stores that used to exist at the Maine Mall in South Portland but now are there no longer.