A key in a door lock
Hosting tips · 3 min

Key box or smart lock: why self check-in is easier for everyone

By Athina · October 2026

No more waiting at the door for a late flight. Self check-in gives guests freedom and saves hosts hours.

Flights are delayed, trains are cancelled, guests arrive at midnight. With a key handover in person, someone has to wait. With self check-in, the guest walks in whenever they arrive, and nobody loses an evening.

A key box

  • Simple and affordable: a sturdy box with a code, mounted near the entrance.
  • Change the code regularly, ideally between guests.
  • Check first whether your building or co-owners allow one on the facade or in the hall.

A smart lock

  • A unique code for every stay, valid only from check-in to check-out.
  • No keys to lose or copy.
  • Choose a model that also works when the internet is down, and keep a backup key with your manager.

Make arrival foolproof

  • Send clear instructions with a photo of the entrance and the box or lock.
  • Mention the floor, the door and where the light switch is.
  • Keep a contact available for the first hour after arrival.
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