Serrano Island
| Native name: <span class="nickname" ">Isla Serrano | |
|---|---|
  Serrano Island, labeled as Little Wellington | |
| Geography | |
| Coordinates | 48°31′56″S 74°46′32″W / 48.532351°S 74.775573°WCoordinates: 48°31′56″S 74°46′32″W / 48.532351°S 74.775573°W |
| Adjacent bodies of water | Pacific ocean |
| Area | 1,062.8 km2 (410.3 sq mi) |
| Coastline | 339.9 km (211.2 mi) |
| Country | |
| Region | Aisén |
| Province | Capitán Prat |
| Commune | Tortel |
| Additional information | |
| NGA UFI=-901551 | |
Serrano Island, also known as Little Wellington Island, is an island in the Aisén Region, Chile. It should not be confused with Lavoisier Island in the Antarctica, which is also called Isla Serrano in Spanish.