Dr. Carlos d’Assumpcao Park is a few minutes walk from the Lisboa, Wynn, and MGM. It extends from the Avenida da Amizade, to the waterfront statue of Kun Iam. It also runs perpendicular to the Jardim das Artes.
While not offering much from a tourist standpoint, if you are going to be walking this direction, I recommend walking through the park as it is much more pleasant than walking down the streets. It is frequented by office workers who work nearby, and has lots of benches to sit and relax on.