1988–89 Segunda División
| Season | 1988–89 |
|---|---|
| Champions | CD Castellón |
| Promoted | |
| Relegated | |
| Matches played | 380 |
| Goals scored | 859 (2.26 per match) |
| Top goalscorer | Quique Estebaranz |
← 1987–88 1989–90 → | |
The 1988–89 Segunda División season saw 20 teams participate in the second flight Spanish league. CD Castellón, Rayo Vallecano, CD Tenerife and RCD Mallorca were promoted to Primera División. Barcelona Atlètic, UD Alzira, UE Lleida and CFJ Mollerussa were relegated to Segunda División B.