I like to meet my hook ups direct at the hotel room.
Unfortunately many hotels have a keycard access in the elevator.
Here is my list with hotels with free room access in major cities. Feel free to add more
Berlin:
AC Hotel Humbolthain
Moxy Humbolthain
Munich:
Holiday inn City Centre
Vienna:
Le Meridien
Hilton Danube
London:
Hilton Metropole
Marriott Kensington
Marriott Maiden Vale
Paris:
Holiday Inn Gare d lest
Amsterdam:
Doubletree City Centre
Crowne Plaza South
Apollo hotel
New york:
Hilton Tribeca
Madrid:
Intercontinental