The following is a brief synopsis of bus routing between Algeciras, Spain (Ferries from Morocco) and Lagos (Algare, Portugal)
Algeciras to Seville (Prado )
Timetable here.
http://www.tgcomes.es/horarios_33.htm
Seville to Lagos (Seville - Plaza das Armas) (DAMAS/EVA Transportes)
Sevilha Lagos 07:30 12:00 Diariamente
Sevilha Lagos 16:15 20:45 Diariamente
http://www.eva-bus.com/home_pesquisa2008.php?lang=PT&servico=0&origem=Sevilha&destino=Lagos&Procurar=Ok
