2021 Main
| Pl | W | L | Pts | |||
| 1 | Perry Lakes Hawks | 22 | 18 | 4 | 2107:1619 | 40 |
| 2 | Lakeside Lightning | 22 | 17 | 5 | 2069:1748 | 39 |
| 3 | Rockingham Flames | 21 | 15 | 6 | 1889:1627 | 36 |
| 4 | Willetton Tigers | 21 | 15 | 6 | 1803:1667 | 36 |
| 5 | Mandurah Magic | 22 | 14 | 8 | 1870:1814 | 36 |
| 6 | Warwick Senators | 22 | 13 | 9 | 1968:1774 | 35 |
| 7 | Perth Redbacks | 22 | 13 | 9 | 1859:1802 | 35 |
| 8 | Beeliar Boodjar | 22 | 11 | 11 | 1884:1763 | 33 |
| 9 | Joondalup Wolves | 22 | 10 | 12 | 1872:1878 | 32 |
| 10 | Goldfields Giants | 20 | 6 | 14 | 1615:1710 | 26 |
| 11 | Geraldton Buccaneers | 20 | 6 | 14 | 1404:1743 | 26 |
| 12 | East Perth Eagles | 22 | 5 | 17 | 1519:1930 | 27 |
| 13 | Kalamunda Eastern Suns | 21 | 4 | 17 | 1674:1979 | 25 |
| 14 | South West Slammers | 21 | 3 | 18 | 1435:1914 | 24 |
Promotion ~ NBL1 West (Play Offs)
2021 Play Offs
1/8-finals
| 1 | Perry Lakes Hawks (1) | Rockingham Flames (4) | 90 : 75 |
| 4 | Warwick Senators (6) | Perth Redbacks (7) | 88 : 111 |
| 5 | Lakeside Lightning (2) | Willetton Tigers (3) | 95 : 92 |
| 8 | Mandurah Magic (5) | Beeliar Boodjar (8) | 63 : 62 |
Quarter-finals
| 1 | Perry Lakes Hawks (1) | Bye | |
| 2 | Willetton Tigers (3) | Perth Redbacks (7) | 90 : 92 |
| 3 | Lakeside Lightning (2) | Bye | |
| 4 | Rockingham Flames (4) | Mandurah Magic (5) | 99 : 76 |
Semi-finals
| 1 | Perry Lakes Hawks (1) | Perth Redbacks (7) | 92 : 77 |
| 2 | Lakeside Lightning (2) | Rockingham Flames (4) | 72 : 88 |
Final
| 1 | Perry Lakes Hawks (1) | Rockingham Flames (4) | 92 : 82 |
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