# 1988–89 Primera División de Baloncesto

The 1988–89 Primera División season was the second category of the Spanish basketball league system during the 1988–89 season. It was the first played with the name of Primera División.

## Format

16 teams played this season.
* Regular Season
** League of 16 teams in a single group where they play all against all in two rounds.
** The last two teams are relegated to Segunda Division.
* Promotion playoffs
** The top 8 play two knockout rounds for promotion. The first round is the best of 3 matches (first and third matches are played at the home of the best classified in the previous phase) and the second to the best of 5 (first, third and fifth matches are played at the home of the best classified in the phase previous). The two winners go up to the ACB League.
* Relegation playoffs
** Those classified between the 11th to 14th places play a best of 5 matches (first, third and fifth matches are played at the home of the best classified in the previous phase), the 2 losers go down to Segunda Division.

## Teams
### Promotion and relegation (pre-season)

A total of 16 teams contested the league, including 11 sides from the 1987–88 season, two promoted from the Segunda División and three Wild Cards.

#### Teams promoted from Segunda División

* Cajahuelva
* CB Torrejon

#### Wild Cards

* CAB Obradoiro, who obtained a relegation place the previous season.
* Tenerife Sur, who obtained a relegation place the previous season.
* Syrius Patronato

#### Teams that resigned to participate

* Ordenadores APD Mataró
* CB Tizona sold his place to Caja Badajoz, who obtained a relegation place the previous season.

### Venues and locations

| Team | Home city |
| BC Andorra | Andorra la Vella |
| CAB Obradoiro | Santiago de Compostela |
| Caixa Ourense | Ourense |
| Caja Badajoz | Badajoz |
| Caja San Fernando | Sevilla |
| Cajahuelva | Huelva |
| CB Guadalajara | Guadalajara |
| CB Oviedo | Oviedo |
| CB Torrejón | Torrejón de Ardoz |
| CD Cajamadrid | Alcalá de Henares |
| Elosúa León | León |
| Júver Murcia | Murcia |
| Lagisa Gijón | Gijón |
| Santa Coloma | Santa Coloma de Gramenet |
| Syrius Patronato | Palma de Mallorca |
| Tenerife Sur | Arona |

## Regular season

| Pos | Team | Pld | W | L | PF | PA | PD | Pts | Qualification or relegation |
| 1 | CD Cajamadrid | 30 | 20 | 10 | 2862 | 2668 | +194 | 50 | Qualification to Promotion |
| 2 | Syrius Patronato | 30 | 19 | 11 | 2629 | 2594 | +35 | 49 | Qualification to Promotion |
| 3 | Lagisa Gijón | 30 | 19 | 11 | 2739 | 2610 | +129 | 49 | Qualification to Promotion |
| 4 | Caixa Ourense | 30 | 19 | 11 | 2552 | 2454 | +98 | 49 | Qualification to Promotion |
| 5 | Júver Murcia | 30 | 19 | 11 | 2523 | 2401 | +122 | 49 | Qualification to Promotion |
| 6 | Caja San Fernando | 30 | 17 | 13 | 2723 | 2600 | +123 | 47 | Qualification to Promotion |
| 7 | Caja Badajoz | 30 | 17 | 13 | 2620 | 2602 | +18 | 47 | Qualification to Promotion |
| 8 | CB Guadalajara | 30 | 17 | 13 | 2577 | 2494 | +83 | 47 | Qualification to Promotion |
| 9 | CB Oviedo | 30 | 16 | 14 | 2556 | 2534 | +22 | 46 | |
| 10 | BC Andorra | 30 | 15 | 15 | 2552 | 2539 | +13 | 45 | |
| 11 | Elosúa León | 30 | 14 | 16 | 2620 | 2663 | −43 | 44 | Qualification to Relegation |
| 12 | Cajahuelva | 30 | 13 | 17 | 2878 | 2721 | +157 | 43 | Qualification to Relegation |
| 13 | CAB Obradoiro | 30 | 10 | 20 | 2468 | 2680 | −212 | 40 | Qualification to Relegation |
| 14 | Santa Coloma | 30 | 10 | 20 | 2499 | 2555 | −56 | 40 | Qualification to Relegation |
| 15 | Tenerife Sur | 30 | 9 | 21 | 2339 | 2654 | −315 | 39 | Relegation to Segunda División |
| 16 | CB Torrejón | 30 | 6 | 24 | 2653 | 2819 | −166 | 36 | Relegation to Segunda División |

## PlayOffs
### Promotion playoffs

Semifinal winners are promoted to Liga ACB.
| First Round | First Round | First Round | First Round | First Round | First Round | Second Round | Second Round | Second Round | Second Round | Second Round | Second Round | Promoted to Liga ACB |
| 1 CD Cajamadrid | 1 CD Cajamadrid | 1 CD Cajamadrid | 75 | 67 | 83 | | | | | | |
| 8 CB Guadalajara | 8 CB Guadalajara | 8 CB Guadalajara | 73 | 70 | 82 | | | | | | |
| 8 CB Guadalajara | 8 CB Guadalajara | 8 CB Guadalajara | 73 | 70 | 82 | 1 CD Cajamadrid | 77 | 73 | 70 | 82 | 94 |
| | | | | | | 4 Caixa Ourense | 66 | 75 | 88 | 69 | 95 |
| 4 Caixa Ourense | 4 Caixa Ourense | 4 Caixa Ourense | 89 | 78 | 77 | 4 Caixa Ourense | 66 | 75 | 88 | 69 | 95 |
| 5 Júver Murcia | 5 Júver Murcia | 5 Júver Murcia | 79 | 81 | 68 | | | | | | | |
| 5 Júver Murcia | 5 Júver Murcia | 5 Júver Murcia | 79 | 81 | 68 | | | | | | | 4 Caixa Ourense |
| | | | | | | | | | | | | 6 Caja San Fernando |
| 2 Syrius Patronato | 2 Syrius Patronato | 2 Syrius Patronato | 102 | 85 | 97 | | | | | | | 6 Caja San Fernando |
| 7 Caja Badajoz | 7 Caja Badajoz | 7 Caja Badajoz | 84 | 87 | 75 | | | | | | | |
| 7 Caja Badajoz | 7 Caja Badajoz | 7 Caja Badajoz | 84 | 87 | 75 | 2 Syrius Patronato | 2 Syrius Patronato | 2 Syrius Patronato | 91 | 79 | 80 | |
| | | | | | | 6 Caja San Fernando | 6 Caja San Fernando | 6 Caja San Fernando | 93 | 84 | 87 |
| 3 Lagisa Gijón | 3 Lagisa Gijón | 3 Lagisa Gijón | 81 | 74 | 78 | 6 Caja San Fernando | 6 Caja San Fernando | 6 Caja San Fernando | 93 | 84 | 87 |
| 6 Caja San Fernando | 6 Caja San Fernando | 6 Caja San Fernando | 95 | 73 | 80 | | | | | | |

### Relegation playoffs

| Team 1 | Series | Team 2 | Game 1 | Game 2 | Game 3 | Game 4 | Game 5 |
| Elosúa León | 3–0 | Santa Coloma | 69–67 | 70–69 | 78–67 | 0 | 0 |
| Cajahuelva | 2–3 | CAB Obradoiro | 102–74 | 71–99 | 73–66 | 83–91 | 57–60 |

## Final standings

| Pos | Team | Pld | W | L | Qualification or relegation |
| 1 | Caixa Ourense (P) | 38 | 24 | 14 | Promoted to ACB |
| 2 | Caja San Fernando (P) | 36 | 22 | 14 | Promoted to ACB |
| 3 | CD Cajamadrid | 38 | 24 | 14 | |
| 4 | Syrius Patronato | 36 | 21 | 15 | |
| 5 | Lagisa Gijón | 33 | 20 | 13 | |
| 6 | Júver Murcia | 33 | 20 | 13 | |
| 7 | Caja Badajoz | 33 | 18 | 15 | |
| 8 | CB Guadalajara | 33 | 18 | 15 | |
| 9 | CB Oviedo | 30 | 16 | 14 | Resigned to participate next season |
| 10 | BC Andorra | 30 | 15 | 15 | |
| 11 | Elosúa León | 33 | 17 | 16 | |
| 12 | CAB Obradoiro | 32 | 13 | 19 | |
| 13 | Cajahuelva | 35 | 15 | 20 | Relegation to Segunda División |
| 14 | Santa Coloma (R) | 33 | 10 | 23 | Relegation to Segunda División |
| 15 | Tenerife Sur (R) | 30 | 9 | 21 | Relegation to Segunda División |
| 16 | CB Torrejón (R) | 30 | 6 | 24 | Relegation to Segunda División |