| Island | Located in | Area | Population | Highest point |
|---|---|---|---|---|
| Big Green Island | Tasmania | 122 km² | — | 21 m |
| Maria Island | Glamorgan Spring Bay Council | 115.5 km² | 0 | 124 m |
| Kosrae | Kosrae State | 110 km² | 5,092 | 634 m |
| Roswar Island | Teluk Wondama | 109.3 km² | — | 115 m |
| Goose Island | Tasmania | 109 km² | — | 11 m |
| Whitsunday Island | Whitsunday Region | 109 km² | 0 | 126 m |
| Koro Island | Lomaiviti | 108.9 km² | 4,500 | — |
| Baun Island | Aru Islands Regency | 108.0 km² | — | 30 m |
| Saibai Island | Queensland | 107.9 km² | 340 | 5 m |
| Basilaki Island | Milne Bay Province | 106 km² | — | 531 m |
| Ovalau | Lomaiviti | 102.3 km² | 9,000 | — |
| Sideia Island | Milne Bay Province | 101.3 km² | — | 377 m |
| Rumberpon Island | Teluk Wondama | 101.1 km² | — | 30 m |
| Pains Island | Queensland | 100.8 km² | — | 5 m |
| Phillip Island | Bass Coast Shire | 100.7 km² | 13,799 | 29 m |
| Bass Pyramid | Tasmania | 100 km² | — | — |
| Dyaul Island | New Ireland Province | 100 km² | 1,000 | — |