Secret room keycards do not follow rigid geographic spawns; instead, they appear randomly within regular item pools. However, compounds with high loot density naturally offer better mathematical odds of yielding a key. Locations like Georgopol shipping yards, Sosnovka Military Base barracks, and the multi-story apartment complexes south of Rozhok remain reliable search zones.
Once secured, players typically route toward well-documented bunker sites depending on the blue zone's progression:
- The Kameshki Bluffs: Tucked along the northeastern cliffs, this vault suits squads executing safe edge-of-circle strategies far from early firefights.
- The Quarry Incline: Positioned in the barren southwest, this chamber provides critical resupply opportunities for teams transitioning across open fields toward Sosnovka Island.
- Ferry Pier Farmsteads: A high-traffic bunker spot near central transit routes, making it a lucrative stop for squads intercepting coastal rotations.
- Stalber Slopes: Hidden near the high-altitude weather observatory, offering immediate terrain advantage to whoever emerges fully geared from the vault.
