Events & seminars

Rooms, food and
services to
and match for your event.

a great mix of spaces.

If you can imagine it, we can host it.
From corporate presentations and dinners to networking, parties and concerts. Possibilities are endless.

Grand hall

Overlooking the lake and gardens.

Meeting rooms

With capacity from 8 up to 75 people.

Astounding auditorium

For 300 people equipped with the latest technologies.

Banquet rooms

Can be merged to host a total of 300 people.

Outdoor areas

Terrasses and pelouses soaking up the Sonian forest.

A lovely location.

The Mix is an utterly unique event space in Belgium. Here’s why:

  • // It’s a vivid hotspot, where everyone is welcome.
  • // 180 hotel rooms, conveniently above the venue.
  • // 3 restaurants offer plenty of catering options.
  • // In the middle of the Sonian Forest.
  • // With a gym and group classes for fun teambuildings.
  • // The iconic building takes you on a charming voyage into the past.

Food for thought.

With 3 restaurants and everything in house, the Mix has food a plenty. Everything to design a tailor-made catering offer.

  • // All day, everyday, brunch, bar & bites in a convivial atmosphere.
  • // A healthy food & take away spot, next to the gym.
  • // Fine dining place with a taste of nature and music.
  • // Dedicated caterer for your custom demands.
  • // A food market on the ground floor with more than 20 curated chefs.

At your service.

A dedicated team will take care of every aspect of your event.

  • // Book your event spaces and meeting rooms.
  • // Supply IT and audiovisual, sound and light setup.
  • // Set up the rooms and spaces just as you like it.
  • // Have a brainstorm on the perfect menu.
  • // Make your coffee breaks into a moment of zen.

A one-of-kind venue

Happy to host your next event here?

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My event is
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Smack dab in the middle of Belgium.

Where to find this marvellous mix?

We wholeheartedly welcome you in Watermael Boitsfort. 
A few minutes from the E411, with various connections to public transport at the doorstep.


  • // European quarter / 15″ metro
  • // Brussels Airport / 20″ drive
  • // Tram & metro / less than 5″