When entering the building from the east side you will come across a couch with a dead scav. The Military Base Checkpoint Key can be found in the Morgue building located on the south east side of the Customs map.
It can spawn under the jacket so you need to rely on the white marker to appear if it is there. The key can be found on the jacket resting on a sleeping bag inside the building. It is the same location you need to go for the Chemical – Part 1 quest for Skier. The Dorm Room 220 Key can be found in a train car located behind the Morgue building. Dorm Room 220 Key Spawn On Jacket and Sleeping Bag.The key can be found inside the pallet closest to the entrance, but on the opposite side of the pallet. When inside the storage unit you will find two pallets against the left side of the unit. It is storage unit #88 which is marked on the units in white chalk. It is found in a storage unit along the middle aisle. The Dorm Room 214 Key spawns in the Storage Units on the west side of the Customs map. Once inside the room look for a red coffee cup on the nightstand next to the safe. Dorm Room 203 is located towards the back of the dorms right next to the fire escape that leads to the car extract. The key has a chance to spawn in Dorm Room 214 which requires the Dorm Room 214 key to unlock. The Dorm Room 203 Key can be found in the three story dorms on the second floor. The Dorm Room 114 Key can spawn inside the jacket when searched. Inside the trunk at the back of the car is a blue lootable jacket. Parked outside the checkpoint is a blue passenger car with its hood and trunk door open. The Dorm Room 114 Key spawns by the Military Checkpoint on the east side of the Customs map. It is hard to see if the key spawned from a far so you have to get up close to look inside the box. The Dorm Room 110 Key will spawn inside a red box attached to the blue metal cabinet door. Go to the second section and you will find a blue metal cabinet against the right wall. One section with a large truck in front and a second section with two vehicles and piles of tires and boxes. When you enter the building through the main entrance the right side of the building will be divided into two sections. The Dorm Room 110 Key can be found in the USEC Garage building located on the east side of the Customs map.
Dorm Room 110 Key Spawn Location In Locker.The Dorm Room 104 Key will spawn hanging inside the key cabinet. After you unlocked the room and go inside you will see a key cabinet on the left wall. Accessing the room is simple – just go through the main entrance to the building and it is immediately on your right. You will need the Dorm Guard Desk Key to access the room. It is found in a Guard Room on the first floor. The Dorm Room 104 key can be found in the 2 Story Dorms Building. The Dorm Guard Desk Key will spawn inside his hand. His right hand will be open and at his side. Go into the showers room and immediately to your left will be a dead scav leaning against the wall.
You will find yourself in a locker room that leads to a showers area. Make a left and go past the stairs, then open the first door on your right. Start by going through the main entrance. The Dorm Guard Desk Key can be found in the 2 story dorms building on the first floor in a showers room. Dorm Guard Desk Key Spawn On Dead Scav In Showers.Guide To Key Spawn Locations On Customs Map In Escape From Tarkov 1.