Campionato Sammarinese di Calcio
S.P. Tre Fiori are currently playing in the highest Sammarinese league, Campionato Sammarinese di Calcio, where they have played the majority of the seasons during their existence. The club was most successful during the 1990s when they won three Sammarinese championships and two Trofeo Federale titles. The club first won Campionato Sammarinese di Calcio in 1988 and took their latest title in 2011.