You plan to go to the United States, the greater New York area, New Jersey, Maryland or the Great Lakes region (Michigan, Erie, Lake St. Clair, etc) so here is a tool that will allow you to know the best marinas for your stops.
Indeed the website marinas.com has made a table of the marinas who received the best evaluations for 2019.
Click on this link to know them with a brief description.
Enjoy your stay in the United States.