I'm renting out my fully furnished apartment during summer 2018 (1 May to 31 August, or similar period).
It's a warm bright 6th floor apartment, with a balcony and nice east and north-facing views. The total area is 39m2. See more pictures here: https://photos.app.goo.gl/VsgSWD6vVn7tWdYs2
It is walking distance from the new Ainoa shopping center the Tapiola metro station, and the Westend beach. It is also next to a 550 bus stop (5 mins to Aalto University campus in Otaniemi).
The apartment includes a fully-equipped kitchen, 4-6 person dinner table, office space, modern bathroom, towels and bedding, two big-screen TVs, digital piano, 2-person sleeper couch, and 50Mbps unlimited WiFi Internet connection.
The tenant has access to a sauna (free to use on Friday and Saturday evenings) and a laundry and drying room (free). Parking spaces are available for a fee.
The rent includes water, heating, and Internet.