| Gesila Island | |
| Native Name Lang: | png |
| Map: | Papua New Guinea |
| Coordinates: | -10.5886°N 150.6428°W[1] |
| Location: | Oceania |
| Archipelago: | Louisiade Archipelago |
| Waterbody: | Solomon Sea |
| Total Islands: | 1 |
| Area Km2: | 0.17 |
| Length Km: | 0.95 |
| Width Km: | 0.2 |
| Coastline Km: | 2.2 |
| Elevation M: | 61 |
| Highest Mount: | Mount Gesila |
| 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 3: | Ward |
| Country Admin Divisions 3: | Kuiaro |
| Country Largest City: | Gesila |
| Country Largest City Population: | 19 |
| Population: | 19 |
| Population As Of: | 2014 |
| Density Km2: | 111.3 |
| Ethnic Groups: | Papauans, Austronesians, Melanesians. |
| Timezone1: | AEST |
| Utc Offset1: | +10 |
| Iso Code Type: | ISO code |
| Iso Code: | PG-MBA |
Gesila Island is a small island separating West Channel, East Channel and China Strait, just south of Milne Bay, in Milne Bay Province, Papua New Guinea.
The island belongs to Kuiaro, of Bwanabwana Rural Local Level Government Area LLG, Samarai-Murua District, which are in Milne Bay Province.[2]
The island is owned by the Seventh-day Adventist church. From 1961 until the 1980s it was the site of the Adventist mission headquarters for the Milne Bay area (which is now administered from Popondetta).[3]
The island is part of Samarai Islands of the Louisiade Archipelago.
The population of 19 is located on a single village on the northwest point.
The islanders, are farmers. They are also paid for taking care of the old church building.
There is a dock in the village.