| Tournament details | |
|---|---|
| Host country | Vanuatu |
| Dates | 1–8 November |
| Teams | 5 (from 1 confederation) |
| Final positions | |
| Champions |  Vanuatu (1st title) |
| Runners-up |  New Caledonia |
| Third place |  Fiji |
| Tournament statistics | |
| Matches played | 10 |
| Goals scored | 15 (1.5 per match) |
The Melanesia Cup 1990 was the third Melanesia-wide tournament ever held. It took place in Vanuatu and five teams participated: Fiji, Solomon Islands, New Caledonia, Vanuatu and Papua New Guinea.
The teams played each other according to a round-robin format with Vanuatu winning the tournament for the first time.