| Populai Island | |
| Sobriquet: | Margaret Island |
| Native Name Lang: | png |
| Map: | Papua New Guinea |
| Coordinates: | -10.5886°N 150.8819°W[1] |
| Location: | Oceania |
| Archipelago: | Louisiade Archipelago |
| Waterbody: | Solomon Sea |
| Total Islands: | 1 |
| Area Km2: | 1.71 |
| Length Km: | 2.35 |
| Width Km: | 1 |
| Coastline Km: | 7 |
| Elevation M: | 106 |
| Country: | Papua New Guinea |
| Country Admin Divisions Title: | Province |
| Country Admin Divisions Title 1: | Island Group |
| Country Admin Divisions 1: | Samarai Islands |
| Country Admin Divisions Title 2: | Island Group |
| Country Admin Divisions 2: | Sideia Islands |
| Country Admin Divisions Title 3: | Ward |
| Country Admin Divisions 3: | Gotai |
| Country Largest City: | Populai |
| Country Largest City Population: | 15 |
| Population: | 15 |
| Population As Of: | 2014 |
| Density Km2: | 8.8 |
| Ethnic Groups: | Papauans, Austronesians, Melanesians. |
| Timezone1: | AEST |
| Utc Offset1: | +10 |
| Iso Code Type: | ISO code |
| Iso Code: | PG-MBA |
Populai Island (also known as Margaret Island) is an island in the Louisiade Archipelago in Milne Bay Province, Papua New Guinea.
The island is part of Gotai Ward. it belongs to Bwanabwana Rural Local Level Government Area LLG, Samarai-Murua District, which are in Milne Bay Province.[2]
Populai is located Southeast of Sideia Island. The island is part of the Sideia group, itself a part of Samarai Islands of the Louisiade Archipelago.
The population of 15 is living in 1 village on the north coast.[3]