The Marlins English language test is not a pass or fail test. Different companies and flag states require different scores, depending on the rank/position you are applying for.
For example, the UK MCA requires different score for a master, for a junior deck officer and senior engineer officer and for a junior engineer officer. The current guidance can be found here:
You should contact the company or authority who asked you to take the test and they will tell you if your score is what is required for your position.