Harmoonikum features a sauna and spa facilities, as well as air-conditioned accommodations in Viimsi, 1.3 miles from Pirita Beach. Private parking is available on site at this recently renovated property. The accommodation provides free Wifi throughout the property, as well as a terrace and a traditional restaurant. All rooms come with a private bathroom with a bath and free toiletries. At the guest house, all units come with bed linen and towels. Guests at the guest house can enjoy an à la carte breakfast. There is a coffee shop, bar, and lounge. Both a bicycle rental service and a car rental service are available at Harmoonikum, while cycling and hiking can be enjoyed nearby. Kadriorg Art Museum is 6.6 miles from the accommodation, while Kadriorg Palace is 6.6 miles away. Lennart Meri Tallinn Airport is 9.3 miles from the property.