| Island | Located in | Area | Population | Highest point |
|---|---|---|---|---|
| New Guinea | West Papua | 785,753 km² | 11,300,000 | 164 m |
| Great Barrier Reef | Queensland | 348,000 km² | — | — |
| South Island | New Zealand | 150,437 km² | 1,115,800 | — |
| North Island | New Zealand | 113,729 km² | 3,519,800 | 2,797 m |
| Tasmania | Tasmania | 65,022 km² | 536,600 | 1,009 m |
| New Britain | East New Britain Province | 36,520 km² | 513,926 | 2,334 m |
| Yamdena Island | Tanimbar Islands | 30,254 km² | — | 36 m |
| Yapen Island | Papua | 20,266 km² | — | 1,496 m |
| Bentinck Island | Queensland | 13,873 km² | — | — |
| Kolepom Island | Nabire | 11,742 km² | 11,000 | 4 m |
| Biak Island | Biak Numfor | 10,896 km² | — | 127 m |