The Navera Armas vessel docks at the Porto Comercial de Portimão. There is no street address.
Google Maps reference here (Marker J):
http://maps.google.com/maps?f=q&source=s_q&hl=en&geocode=&q=Porto,&sll=37.130829,-8.536377&sspn=0.030588,0.077162&ie=UTF8&radius=2.13&rq=1&ev=p&ll=37.135756,-8.536291&spn=0.030586,0.077162&t=h&z=14&iwloc=J
You may have to zoom in to see the exact spot (Marker J).