| Geography | |
|---|---|
| Location | Mansoa River |
| Coordinates | 11°59′00″N15°52′00″W / 11.9833°N 15.8667°W |
| Length | 9.5 km (5.9 mi) |
| Width | 1.9 km (1.18 mi) |
| Highest elevation | 9 m (30 ft) |
| Administration | |
| Region | Cacheu Region |
| Sector | Caió |
Lisboa Island (Portuguese : Ilha de Lisboa) is an island in Guinea-Bissau. It is located in the Mansoa River, just east of the confluence with the Baboque River. Its maximum elevation is 9 m. [1]