Suggested Accommodation options:

Scandic Grand Marina
This hotel is right across the street from the conference venue (Scandic Grand Marina Congress Centre.)
Address:
Katajanokanlaituri 7
00160 Helsinki, Finland
Website
Conference discount booking code: FIARB

Pier 4 – Solo by Sokos Hotel
Brand-new hotel to open on 26 August. (Right next to Scandic Marina Congress Centre.)
Address:
Katajanokanlaituri 4
00160 Helsinki, Finland
Website
Conference discount code: WORKERY

Clarion Collection Hotel Katajanokka
Very close by.
Address:
Merikasarminkatu 1a
00160 Helsinki , Finland
Website
No conference discount code offered.

Bob W (Katajanokka)
Very nice apartment hotel. Very close to the conference venue.
Website