- Academica Summer Hostel is closed.
- Renovations at the National Museum of Finland, involving overhauls of their permanent collection, are supposed to be completed by early 2021.
- Because of route changes, the Helsinki Tram Tour, which features a loop through Helsinki on public trams #2 and #3, now requires a transfer at the Auroran Sairaala stop (which is several stops past the original transfer point of Töölön halli).
- Helsinki’s main tourist information office is now in the train station. The location near the Esplanade has closed.
- Torni Tower's Ateljée Bar, with excellent city views, is closed for renovation but scheduled to reopen in 2021.
- Linda Line has ceased ferry service between Helsinki and Tallinn, Estonia.
For books printed before June 2018, the following may also apply:
- Helsinki's tram lines have been reorganized. New route maps are available on the transport network's website.
- Temppeliaukio Church now charges admission (€3).
- Sundmans Krog Bistro has closed.
- The Erottajanpuisto hostel is now called Hostel Diana Park and has a new website (www.dianapark.fi).
For books printed before April 2017, the following may also apply:
- The Helsinki City Museum is now located at Aleksanterinkatu 16 and is open Mon–Fri 11:00–19:00, Sat–Sun 11:00–17:00.
