Costorbe Stadium (Estadio de Costorbe in Spanish) was the football stadium of Racing Club de Irún later Real Unión, a main team in Spanish football before the Second World War.
Irún Sporting played at the Estadio de Amute, which was situated just to the north of town in the village of Hondarribia, not far from the current site of Irun's airport.
Racing Club de Irún won the 1913 FEF Copa del Rey Final, beating Athletic Bilbao 1–0 in a replay after the first match was drawn 2-2.
The Campo Costorbe also had the honour of hosting the 1914 Copa del Rey Final when Athletic Bilbao defeated FC Espanya de Barcelona with 2–1.
[1][2][3] Upon forming, Real Unión used Irún Sporting's Campo de Amute.