| Race Name: | XLVII Grand Prix Automobile de Monaco |
| Track: | Circuit de Monaco |
| Round: | 3 of 16 |
| Race date: | Sunday, May 7th, 1989 |
| Race time: | 14.00 |
| 1st | 2nd | 3rd | |
| Driver | Ayrton Senna | Alain Prost | Stefano Modena |
| Constructor | McLaren-Honda | McLaren-Honda | Brabham-Judd |
| Car | McLaren MP4/5 | McLaren MP4/5 | Brabham BT58 |
| Engine | Honda RA109E | Honda RA109E | Judd CV |
| Tyre | Goodyear | Goodyear | Pirelli |
| Time | 1:53:33.251 | 1:54:25.780 | 1:53:48.938 |
| Gap | 52.529 secs | 1 Lap |