Flexible event solutions for conferences, incentives, and celebrations in central Istanbul
Bring your agenda to life at Radisson Blu Hotel, Istanbul Sisli. From boardroom meetings to large conferences and incentive programs, our 18 flexible venues host up to 800 guests with full support from a dedicated coordinator at every step.
Host memorable events in versatile spaces for up to 800 guests
Radisson Blu Hotel, Istanbul Sisli offers 18 meeting rooms with a maximum capacity of 800 guests, including the 700-square-meter Bosphorus Ballroom, which divides into two 350-square-meter sections, plus two outdoor terraces and an adjacent foyer.
Free high-speed Wi-Fi, audiovisual technology, and a dedicated event coordinator are standard, and our Sports Approved, Extra Mile Incentive Travel, and Esports Ready credentials mean teams are in expert hands from planning to final session.
Pair your event with international cuisine, café favorites, and relaxed lounge service
Great events are built around great food. At Radisson Blu Hotel, Istanbul Sisli, Steak n More Istan'bull Restaurant serves international cuisine with halal options, while Bon A Petit Cafe & Cake offers pastries and desserts throughout the day, and the lobby lounge provides drinks and light bites.
Our culinary team can arrange coffee breaks, buffet lunches, set menus, cocktail receptions, gala dinners, and customized catering tailored to your event schedule and dietary requirements. Reservations are required to help us plan every detail.
Help delegates recharge between sessions at Qualia Spa & Wellness Area
Help delegates recharge between sessions at Radisson Blu Hotel, Istanbul Sisli. Qualia Spa & Wellness Area offers indoor and outdoor swimming pools, a traditional Turkish bath, a sauna, a steam bath, and a hot tub, alongside a complimentary fitness center with state-of-the-art equipment.
Professional massages and skin and body treatments are available too, so teams can balance focused work with genuine rest. The fitness center is open daily, with fitness classes led by professional trainers to help groups unwind together.
Team building in Istanbul
Strengthen collaboration with customized team-building activities and social experiences. We can assist in organizing wellness sessions, city tours, Bosphorus cruises, cultural excursions, shopping experiences, and networking events.
Combined with our flexible meeting spaces, these activities create engaging and memorable corporate programs.
Build your event with intention
Shape an experience that aligns with your goals and flows seamlessly from start to finish.
- Dates and attendance: Confirm your schedule and expected guest count.
- Primary goal: Define the purpose—connection, learning, celebration, or something else.
- Agenda style: Will your program be structured or more flexible?
- Space requirements: Consider main rooms, breakouts, and any unique settings.
- Audiovisual or hybrid needs: Identify any technical or virtual components.
- Dining flow: Plan how food and beverage fit into the experience.
- Enhancements: Add moments like wellness, golf, or team-building activities.
We offer expert solutions for professional sports teams and clubs through our Sports Approved program, endorsed by i.s.t.a.a., the International Sports Travel Agencies Association. With state-of-the-art facilities and highly trained hotel staff dedicated to your team’s requirements, we guarantee an environment focused on comfort, health, wellness, and safety.
i.s.t.a.a. is a worldwide association gathering specialised agencies and organisations that operate in the Sports Travel industry.
We are delighted to be one of a collection of hand-selected properties that make up Extra Mile Incentive Travel by Radisson Hotels. We offer a curated, authentic, and immersive experience that will reward and inspire your guests.
Like all Extra Mile properties, we meet rigorous training standards, developed in partnership with the world’s only association dedicated exclusively to incentive travel, SITE.
We are thrilled to be among the select properties certified as Esports Ready. Our tailored, immersive experiences are crafted to support and inspire esports teams and organizers.
As an Esports Ready hotel, we uphold high standards, developed in collaboration with Spacefwd, a leader in esports and gaming expertise, to meet the unique demands of competitive gaming events, teams, organizers, and players.
Contact us about your event
- istzs-groupsales@radissonblu.com
- Share your dates, estimated number of guests, and preferred setup, and our team will get back to you.
Frequently Asked Questions
Meetings & Events
Please check the general terms and conditions for events here. The hotel can provide any additional terms during the booking process.
Event services include free high-speed Wi-Fi, high-quality audiovisual equipment, complimentary parking, and a dedicated wedding and event coordinator.
Yes. We are centrally located in Sisli, close to the Sisli metro station, the Lutfi Kirdar International Convention & Exhibition Center, and Istanbul's airports.
Yes. Radisson Blu Hotel, Istanbul Sisli is a Sports Approved hotel, an Extra Mile Incentive Travel hotel, and Esports Ready.
We offer 18 flexible meeting rooms with a maximum capacity of 800 guests, including a ballroom, two outdoor terraces, and a foyer, suitable for both corporate and social events.
Yes. Selected meeting rooms can support hybrid meeting setups.
Yes. Smaller meeting rooms are available, such as Colosseum and Petra, along with an executive Business Lounge.
There is no dedicated technican however, technical support is available upon request.
High-speed Wi-Fi, projectors, screens, microphones, and AV equipment.
Yes. Our meeting rooms offer flexible setups that suit small social gatherings and private events.
Digital communication, responsible catering, and waste reduction practices are encouraged at Radisson Blu Hotel, Istanbul Sisli.
Yes. Accessible meeting spaces are available for guests with mobility needs.
Yes, we have an executive Business Lounge available for eligible room categories.