Book Katto Lounge
The unique Katto Lounge at Radisson Blu Seaside Hotel offers an impressive space for a creative meeting day, an atmospheric evening, or a lively sauna night. This two-story space has a stunning view of the sea and the rooftops of Helsinki.
Katto Lounge is suitable for meetings of 24 people and parties of up to 50 people. The space features a magnificent terrace overlooking the sea, and the private sauna can accommodate up to 8 people at a time.
This unique and urban combination of a lounge, terrace, and sauna is an unparalleled event venue for memorable occasions such as sauna evenings, cocktail parties, bachelor parties, or even weddings.

Venue details
Venue details
Area 65 m², max. 40 people
Radisson Blu Seaside Hotel, Helsinki
Ruoholahdenranta 3, 00180 Helsinki
Tel. +358 20 123 4707Call pricesTable arrangements / Catering
Table arrangements / Catering
Table arrangements / Catering
Meetings
Boardroom
12 persons
Group work
24 persons
Parties
Cocktail
40 persons
Buffet
24 persons
Meeting and banquet packages
Meeting and banquet packages
Meeting and banquet packages
Full-Day Brain Food meeting package
From 88,00 / person
Properties of the facility
Properties of the facility
Properties of the facility
Natural light
Creative space
Technical systems and equipment
Technical systems and equipment
Technical systems and equipment
All our meeting facilities include the following standard equipment:
Data projector and white screen / TV screen
Fast Wi-Fi for all meeting guests
Flip chart
Note-taking equipment

Venue details
Area 65 m², max. 40 people
Radisson Blu Seaside Hotel, Helsinki
Ruoholahdenranta 3, 00180 Helsinki
Tel. +358 20 123 4707Call pricesTable arrangements / Catering
Meetings
Boardroom
12 persons
Group work
24 persons
Parties
Cocktail
40 persons
Buffet
24 persons
Meeting and banquet packages
Full-Day Brain Food meeting package
From 88,00 / person
Properties of the facility
Natural light
Creative space
Technical systems and equipment
All our meeting facilities include the following standard equipment:
Data projector and white screen / TV screen
Fast Wi-Fi for all meeting guests
Flip chart
Note-taking equipment
Select the meeting or party package you want. Note: Package selection is mandatory.
Type of event
Choose the additional dishes you would like, add any allergies, special diets and other details.
Additional catering
Boost your meeting with a fruit basket, sparkling wine or beverages!
Allergies and diets
Add participants' allergy and dietary information.
Other information
Total price
Check the last free cancellation date under the general cancellation terms. If you have a corporate agreement, other cancellation terms and conditions may apply.