As a member of the Guild of Architecture you gain access to the following.

The Guild Room

Situated in Otakaari 1 A.
More information here.

The Cottage

The Guild owns a cottage by a pond in the woods of Sipoo (address: Metsäkalliontie 46).
More information here.

Discounts in other shops

Tempera -5-20%
Taidemaalariliiton taiteilijatarvikevälitys -10 – 20%

Other discounts

Reduced prices on year passes for museums (for instance 12€ for a yearlong unlimited access to Ateneum, Kiasma and the Art Hall).
A cup of coffee at the Helsinki Music Centre for 1,50€.