|Namesake||The Russian title for Atlasov Island|
|Tribe Type||Original Tribe|
|Day Formed||Day 1|
|Lowest Placing Member||CambodiaAaron (21/22)|
|Highest Placing Member||FlightlessP (Sole Survivor)|
Ostrov is one of the original tribes of Survivor: Atlasov Island. Their tribe color is white.
- CambodiaAaron - Also known as Aaron from Survivor: Sicily & Survivor: Black Forest.
- Carveoutapath - Also known as Ian from Survivor: Singapore.
- Clohie - Also known as Chloe from Survivor: Black Forest.
- Dean624 - Also known as Dean from Survivor: Russia.
- FlightlessP - Also known as Rhys from Survivor: Great Plains.
- Heuse1ac - Also known as Drew from Survivor: Chernobyl.
- POLO975 - Also known as Marco from Survivor: Greenland & Survivor: Heroes vs Villains.
- Singersky89 - Also known as Matesuz from Survivor: Nunavut.
- TommyRevolution - Also known as Tommy from Survivor: The Utopia Project.
- YanmegaMan - Also known as Jake from Survivor: Krakatoa.
- Zack922 - Also known as Zach from Survivor: Pine Barrens.
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