Free-flowing River Hiitolanjoki exhibition until 31.8.2025

Maretarium’s summer exhibition presents the story of the liberation of the Hiitolanjoki rapids through unique photographs, texts and maps. The theme of Maretarium for 2025 is the restoration of waterways. The exhibition features nearly 30 stunning pictures by six photographers that depict change, events and the current state in a restored flowing water environment. The […]

Sakke Yrjölä’s Nordic Fish in Pictures -exhibition until 1.6.2025

Maretarium’s special spring exhibition features watercolour paintings of fish from the North-East Atlantic and the Arctic Ocean by illustrator and graphic artist Sakke Yrjölä. The 36 original illustrations in the exhibition are related to Sakke Yrjölä’s book project “Nordic Fish in Pictures”. Yrjölä’s previous major project was “Fish of Finland” – a book with 71 […]

The theme for 2025 is the restoration of waterways

When man-made nature is helped to return closer to its original state, it is a question of restoring nature. In most cases, nature would also recover by itself if it were given the opportunity to do so. But this natural process is very slow, and the aim of restoration is to accelerate the restoration of […]

The Nature Pictures of the Year 2024 exhibition until 8.12.2024

The Nature Pictures of the Year 2024 exhibition will be on display at Maretarium right away. The results of the 44th edition of the Nature Picture of the Year competition were announced on Saturday 19.10. in Helsinki. Timo Mylläri’s stunning bird picture “Congestion” – a snapshot of a flock of Ruffs exuding the intoxication of […]

Maretarium is open also at Midsummer

Perch in the Baltic Sea Tank.

Maretarium and Maretarium’s souvenir shop Meripuoti are open every day also during Midsummer. On Midsummer’s Eve 21.6., however, only from 10 am to 2 pm, while otherwise Maretarium is open all summer, until August 18, every day from 10 am to 7 pm. After that, the daily opening hours will be reduced by two hours. […]

Maretarium celebrates its 22nd anniversary on the 1st of May 2024!

On the birthday day 1.5.2024, everyone aged 22 and younger is admitted free of charge. Birthday programme:10:30 Hanna The Pike greets children11:00 Nature film Eastern Gulf of Finland National Park12:30 Hanna The Pike greets children13:00 Waterfall is running in the carp tank14:00 Hanna The Pike greets children15:00 Diver feeds the fish in the Baltic Sea […]

Nature Picture of the Year 2023 exhibition at Maretarium until 3.12.2023

The results of the 43rd edition of the Nature Picture of the Year competition were announced on Saturday 28.10. Nature Picture of the Year festival in Helsinki. The Nature Picture of the Year was Jetro Luhtaa’s “Gateway to the Fell”, a dramatic image of a rainbow in a spectacular large fell landscape. The Nature Picture […]