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Open house on the research vessel Aranda

27.8.2026

12:00 - 19:00

Katajanokka Pier, next to the Sky Wheel

On Baltic Sea Day in Helsinki, visitors can explore the marine research vessel Aranda, which has been one of the most popular attractions of Baltic Sea Day year after year. Last year, 1,500 people visited the vessel.

Experts will be on hand to answer questions about the state of the Baltic Sea and how the sea is studied. How are Baltic herring stocks monitored? How is the amount of marine litter mapped? What are high-risk shipwrecks? How is the sea monitored using high-resolution satellites? Visitors can also discover the underwater soundscape of the Baltic Sea. Through a microscope, they can take a closer look at plankton organisms, which play an important role in the marine food web. On the bridge, the captain will answer questions about Aranda’s navigation and control systems.

The open ship event is organised in collaboration with the Finnish Environment Institute, the Finnish Meteorological Institute, Natural Resources Institute Finland, Harakka Nature Centre of the City of Helsinki’s Environmental Services, Arctia, the shipping company operating Aranda, and FINMARI – the Finnish Marine Research Infrastructure.

The marine research vessel Aranda is not accessible for people with reduced mobility. Children are welcome on board when accompanied and supervised by an adult. Moving around the vessel while carrying a baby is not recommended. Visitors should also be prepared to wait before boarding, as only a limited number of people can be on board at a time.

Katajanokka Pier, next to the Sky Wheel

12:00 - 19:00

Syke

The event is not accessible

Event is free

For children Nature and environment