ARC Raiders Spaceport Trench Tower Key Guide (Location)

Keys are some of the most valuable items in ARC Raiders, since they let players access locked-off areas filled with epic equipment, resources, and weapons. So, if you’ve found a Spaceport Trench Tower key while raiding and are wondering where it goes, you’ve come to the right place. This guide will help you locate the door that the ARC Raiders Spaceport Trench Tower key unlocks and even give some pointers on where to find the key itself if you’re interested.

Updated February 4, 2026, by Ayyoun Ali: The Spaceport Trench Tower is in an uncommon loot room key that opens two different locked rooms on the map. It is one of the more valuable keys in ARC Raiders, hence this guide has been updated with locations where you have a better chance of finding the key.

Where to Use the Spaceport Trench Tower Key in ARC Raiders (Door Location)

Spaceport Trench Tower key unlocks two separate doors on the Spaceport map in ARC Raiders: the South Trench Tower and the North Trench Tower buildings. The towers are located in the northern section of Spaceport, between the West and East Hangers.

Both are right next to each other, but a single Spaceport Trench Tower key will unlock only one of the towers' doors.

Looking for more in the Spaceport region? Check out our ARC Raiders Spaceport interactive map!

Due to the sheer size of the Spaceport map, you'll need to travel a lot from your spawn point. The trek isn't going to be easy, as you'll encounter several ARC machines and hostile players along the way.

After making it to one of the Trench Towers, you can interact with the keypad and use the Spaceport Trench Tower Key in ARC Raiders to unlock the door. Both buildings have a similar interior, so you can open up any of them.

On the base level, you'll find multiple lootable containers and drawers that have a high chance of containing Epic rarity resources. On the upper floor, there's a weapon crate and other little crates that have a high chance of granting players Epic quality or Tier 4 weapons.

It's recommended to use the Spaceport Trench Tower key during a Night Raid or an Electromagnetic Storm in ARC Raiders. These major map conditions have an increased loot value modifier active, and you'll get the most value out of using your keys.

How to Get Spaceport Trench Tower Key in ARC Raiders

The Spaceport Trench Tower Key is a random drop that players will unexpectedly find in high-level loot areas and residential areas. You don't need to look for the key specifically at Spaceport, as there's an equal chance of getting the key on other maps as well. Here are some of the best locations to find the Spaceport Trench Tower key in ARC Raiders.

If you don't want to farm for the key, players can complete Switching the Supply quest by Celeste to get the Spaceport Trench Tower key in ARC Raiders. The quest is a short one that will require you to turn some valves in an underground Spaceport tunnel. Once you're done, you can turn in the quest and get the key to open the Spaceport South & North Trench Towers.