In an articel in the Lejournaloftanger.com you can see by the news about the new marina that they are planning to make te marina good accesible ! and this begins with the old medina, they are planning roads, and renovation for the walls etc. here is a piece of what i copied from the site, and i have translated, if their is some faults sorry.

This project at the port of Tangiers to turn contains a component of urban open the site to the rest of the city. All were all the old barriers that separated the port demolished, and the work of beautifying this section will continue in the coming years, at the same time as the restoration of part of the wall that surrounds the medina. Other walls of the Kasbah and the Medina, restored in 2012, are under investigation.
In parallel, technical studies for the various roads and transit systems are in full swing. They will be followed by architectural studies in 2012 with the intention to start a perfect cross between the future marina and the portion of the city of the strait, which was cut away.
This project should allow for a better tourist attraction Tangier with conservation of its fisheries. The port is indeed expected to receive at his entrance into business in 2016, some 300,000 cruise passengers.
Additionally, the project designers plan to a cable that connects between the center and in the port building.
The planned investment for this project is $ 6.2 billion dirhams