| Nextseason: | 2019–20 |
| Extraliga | |
| T Bg: |
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| T Color: | white |
| Season: | 2018–19 |
| Champions: | Inter Bratislava (5th title) |
| Runners Up: | Prievidza |
| Third Place: | Levicki Patrioti |
| Fourth Place: | Iskra Svit |
| Teams: | 9 |
| Duration: | 6 October 2018 – 1 June 2019 |
The 2018–19 Slovak Basketball League season will be the 27th season of the top-tier basketball competition in Slovakia. Levickí Patrioti are the defending champions.
Ten teams joined the regular season, consisted in playing against each other four times home-and-away in double a round-robin format. The eight first qualified teams advance to the playoffs.
After the resignation of Košice, runner-up of the previous season, to continue playing in the league, Lučenec, champion of the 1.Liga, replaced them.[1] Also, VŠEMvs Karlovka Bratislava resigned to the league thus reducing the number of teams to nine.
| Team | City | Arena | |
|---|---|---|---|
| Športová Hala | |||
| Hant Aréna | |||
| Iskra Aréna | |||
| Športová Hala Levice | |||
| Niké Aréna | |||
| Mestská športová hala |
Seeded teams played games 1, 3, 5 and 7 at home. Quarterfinals were played in a best-of-five games format while semifinals and final with a best-of-seven one.
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