Wash World is New Orleans biggest and best laundromat. 5 min from the French Quarter and is connected to Melba's! America's busiest Po-boy shop. www.washworldnola.com Established in 2013. With plenty of on site parking and staff to help, Wash World is New Orleans busiest laundromat. Eat while you are here with Melba's Po-Boys which is connected to our laundromat. G.Q and Inc Magazines choice for best restaurant in America.