Sure. One can file a petition for separation in Massachusetts as in many states. Look here (http://www.malegislature.gov/Laws/GeneralLaws/PartII/TitleIII/Chapter209/Section32F) for example.

is there anything else i can do to be legally separated in ma besides a divorce

Also, please do not create multiple threads regarding the same topic. This is your 4th thread regarding separation in Massachusetts.