1988–89 Campionato Sammarinese di Calcio
The 1988–89 Campionato Sammarinese di Calcio season was the 4th season since its establishment. It was contested by 10 teams, and S.P. Domagnano won the championship.- S.C. Faetano 0-0 F.C. Domagnano
- S.S. Murata 2-0 S.P. Cailungo
Second round
- F.C. Domagnano 0-0 S.S. Murata
- S.C. Faetano 4-1 S.P. Cailungo
Third round
- F.C. Domagnano 2-0 S.S. Murata
- S.P. La Fiorita 0-0 S.C. Faetano
- F.C. Domagnano 1-0 S.C. Faetano
- S.P. La Fiorita 1-0 A.C. Libertas
Semifinal
- A.C. Libertas 0-1 F.C. Domagnano
Final
- F.C. Domagnano 2-1 S.P. La Fiorita
