If you are in Savannah, you have to go to River street. It is full of shops with t-shirts, candy and kitsch but that is part of the vacation experience right?
It really is a beautiful place to walk and if a ship goes by, it may be as close as you ever get to a moving container ship.
Remember, if you enjoy an adult beverage, it is legal to walk anywhere in the historic district with a drink or beer as long as it is in a plastic cup. Every bar and restaurant has "to go" cups, just ask.