By foot from Malaga to Malaga (city)
It's very easy to walk from the cruise port to the center of Malaga. It's a pleasant stroll along the stretched pier with promenade. Follow this from the cruise terminal till the lighthouse.
Right of the lighthouse you will find the sandy Playa Malagueta. On the left you will find the Muella. This is a completely new are with numerous restaurants and bars overlooking the marina. From there it's not far to Plaza de la Marina in the center of town, where you also find the Tourist Office.
TIP: Keep in mind that some highlights such as La Alcazaba and Gibralfaro Palacio are located in the upper town. The road can be very steep. You better wear solid shoes.