Hotel room security is something most travelers never think about until something goes wrong. Key cards can be cloned, door hinges can be defeated, and master keys exist for every room. Here's how to sleep safely on the road.
Every hotel room has multiple layers: the electronic key card lock, a swing bar or chain guard, and a deadbolt knob on the inside. Use all of them when you're in the room. The chain or swing bar prevents the door from opening more than a few inches even with a valid key card.
A portable door jammer or door alarm takes minutes to pack and provides significant additional security in any room. The Addalock and Master Lock door bar are popular, highly-rated options. They prevent the door from being opened inward regardless of key card validity.
Ground floor and parking lot adjacent rooms are statistically higher risk. Request floors 3–6 — high enough to deter casual window entry, low enough to evacuate during a fire without being too high for aerial equipment.
In-room safes are convenient but not highly secure — hotel maintenance has override codes. For high-value items, use the front desk safe. For everyday items (passport, extra cash), the room safe is fine. Never leave valuables visible or in luggage in an unsecured room.
If your key card suddenly stops working mid-stay without explanation, go to the front desk immediately with ID — don't leave the area without investigating. Demagnetized cards are common, but an unexplained access issue is worth confirming.