 | |
| Geography | |
|---|---|
| Coordinates | 11°16′40.72″S 136°37′20.26″E / 11.2779778°S 136.6222944°E |
| Area | 245.52 km2 (94.80 sq mi) |
| Length | 55.87 km (34.716 mi) |
| Width | 0.25–8.01 km (0.16–4.98 mi) |
| Highest elevation | 138 m (453 ft) |
Marchinbar Island is the largest island in the Wessel Islands in the Northern Territory of Australia in the Arafura Sea.