By Public transport the only option is bus to Seville Estacion Plaza das Armas Bus Station, C4 Bus to Estacion Prado, and then TG Comes Bus to Tarifa.
Algarve - Seville - Current bus timetable here: - http://scr.bi/bE7TZg
Seville - Tarifa bus timetable here - http://www.tgcomes.es/horarios_33.htm
