Deston Secret Room Locations
Deston is the friendliest map to plan around: eight Security Rooms at fixed locations, with keycard spawns marked rather than random.
The short answer
Deston has eight Security Rooms at fixed locations, opened with a Security Keycard. Unlike the world-spawn maps, both the rooms and the keycard spawns sit in known places, which makes Deston the easiest map to route in advance.
No room matches that filter.
All Deston secret room locations
Full table — readable without JavaScript.
| # | Type | Map sector | Grid ref |
|---|---|---|---|
| 01 | Secret room | north-west | TO VERIFY |
| 02 | Secret room | north-east | TO VERIFY |
| 03 | Secret room | north | TO VERIFY |
| 04 | Secret room | north | TO VERIFY |
| 05 | Secret room | central | TO VERIFY |
| 06 | Secret room | central | TO VERIFY |
| 07 | Secret room | central | TO VERIFY |
| 08 | Secret room | west | TO VERIFY |
| 09 | Secret room | central | TO VERIFY |
| 10 | Secret room | central | TO VERIFY |
| 11 | Secret room | west | TO VERIFY |
| 12 | Secret room | south | TO VERIFY |
| 13 | Secret room | south-east | TO VERIFY |
How to find the Security Keycard
Security Keycard — collected from marked key spawn points, then used on the security door.
What is inside
Secret rooms hold loot that would otherwise take a care package: level three armour, high-tier rifles and the attachments that go with them. Treat the room as the objective, not the detour — a full clear is usually worth more than two compounds of floor loot.
Strategy on Deston
Deston is the friendliest map to plan around: eight Security Rooms at fixed locations, with keycard spawns marked rather than random. Doors stay open once unlocked, so the room announces itself to anyone nearby. Clear the compound before you open anything, keep one player watching the entrance, and plan an exit that is not the door you came in through.
Frequently asked questions
How many Security Rooms does Deston have?
Eight, at fixed locations across the map.
Where is the Deston Security Keycard?
Keycards spawn at marked points rather than as a pure random world drop, which is what makes Deston routable before the plane.
Is a Deston keycard reusable?
Treat it as single use and pick up a second card if your route covers two rooms.
Update history
| Date | Patch | Change |
|---|---|---|
| 2026-09-08 | 42.3 | Room list re-checked against the live build. Grid references still being confirmed in-game are marked TO VERIFY. |