Most students apply for apartments at VOAS (The Vaasa Student Housing Foundation). VOAS provides accommodation for approximately 3 700 students. Please note that VOAS is a private company and not part of the University of Vaasa.
Student accommodation facilities are situated in various parts of the city, generally in the form of terraced houses or blocks of flats. The rent for a room in a student flat varies approximately from 230 euros to 350 euros per month depending on size and location. In general, costs of electricity and internet are included in the rent. VOAS also has furnished apartments.
University campus is situated in the Palosaari district, so if you want to live very close to the University, it's best to apply for an apartment in Palosaari or Downtown–Vöyrinkaupunki districts. The distance between Palosaari and city centre, i.e. Downtown–Vöyrinkaupunki is approximately 1 kilometer. However, bus connections in Vaasa are fairly good, which means that you will be able to travel to the city and to the University with the buses even if you choose to live a bit further away from the university.
https://www.voas.fi/