| 1988–89 Cuban National Series Serie Nacional de Béisbol 1988–89 | |
|---|---|
| League | Cuban National Series |
| Sport | Baseball |
| Games | 48 |
| Teams | 18 |
| Eastern zone | |
| Best record | Granma, Santiago de Cuba, and Camagüey (29–19) |
| Western zone | |
| Best record | Industriales (38–10) |
| Postseason | |
| Round-robin tournament | |
| Champions | Santiago de Cuba (5–1) |
| Runners-up | Industriales (4–2) |
The 28th season of the Cuban National Series saw a three-way tie atop the Eastern division, with Granma and Santiago de Cuba advancing to the postseason, along with Industriales and Henequeneros from the Western division. The ensuing round-robin tournament was won by Santiago de Cuba, who won five of their six games. This was the final season with the postseason structured as a round-robin tournament. The 18 teams of the league, each with a 48-game regular-season schedule, was unchanged from recent seasons.
Western zone
| Eastern zone
|
Source: [1]
| Team | W | L | Pct. | GB |
|---|---|---|---|---|
| Santiago de Cuba | 5 | 1 | .833 | - |
| Industriales | 4 | 2 | .667 | 1 |
| Granma | 2 | 4 | .333 | 3 |
| Henequeneros | 1 | 5 | .167 | 4 |