The 1989 du Maurier Classic was contested from June 29 to July 2 at Beaconsfield Golf Club. It was the 17th edition of the du Maurier Classic, and the 11th edition as a major championship on the LPGA Tour.
This event was won by Tammie Green.
Final leaderboard
| Place | Player | Score | To par | Money (US$) |
|---|---|---|---|---|
| 1 |  Tammie Green |
68-69-70-72=279 | −9 | 90,000 |
| T2 | Pat Bradley |
69-75-69-67=280 | −8 | 48,000 |
| Betsy King |
67-69-74-70=280 | |||
| T4 | Amy Alcott |
70-70-72-69=281 | −7 | 26,000 |
| Penny Hammel |
71-71-68-71=281 | |||
| Patty Sheehan |
69-74-69-69=281 | |||
| T7 | Beth Daniel |
71-69-71-71=282 | −6 | 16,650 |
| Nancy Scranton |
70-74-70-68=282 | |||
| 9 | Nancy Lopez |
72-67-72-72=283 | −5 | 14,100 |
| T10 | JoAnne Carner |
73-71-72-68=284 | −4 | 10,740 |
 Dawn Coe |
71-73-73-67=284 | |||
| Nina Foust |
75-73-68-68=284 | |||
| Jane Geddes |
69-71-70-74=284 | |||
| Colleen Walker |
71-70-73-70=284 |
External links
45°26′39″N 73°49′51″W / 45.444039°N 73.830811°W