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

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’s special summer exhibition is Jari Heikkinen’s nature photographs “SITUATIONS AND FEELINGS!”

Situations and feelings from unique Finnish nature. Maretarium’s special exhibition in summer 2024 is the photo exhibition “Situations and feelings” by Jari Heikkinen, a professional nature photographer from Kouvola. Since his school years, Jari Heikkinen (b. 1965) has been interested in photography. Since retiring from the army four years ago, he has been able to […]
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 […]
Maretarium’s theme exhibition for 2024 is Big catches – caught and not caught

Maretarium’s theme exhibition for 2024 is Big catches – caught and not caught. What is the “Big Fish” of your life? The Big Fish theme is discussed on the exhibition wall from many different angles.Why does it always feel like the fish that got loose at the last minute was the biggest fish of your […]
Maretarium will open after the maintenance break on Tue 2.1.2024 at 12 noon, welcome!

After dogs and cats, there has been a maintenance break in Maretarium. The tanks have been cleaned and the Gulf of Finland -tank and eel tank have undergone more thorough repairs. The ventilation ducts have been sweeped, dents in the walls have been patched, dust has been blown off the walls and basic washes have […]
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 […]
During summer 2023 Maretarium is open every day

In summer 2023, Maretarium is open every day from 10 am to 7 pm. The only exception is Midsummer Eve (23.6.), when Maretarium is open from 10 am to 2 pm.The daily programme includes nature film screenings related to the nature of the Eastern Gulf of Finland: at 11 a.m. the nature film Eastern Gulf […]
Beautiful underwater photos until 31.8.2023

A special summer exhibition at Maretarium is Satu Vaarula’s “Veden lumo” (the Enchantment of the Water) photography exhibition. The 16 visual works in the exhibition showcase the diversity of Finnish aquatic nature and it is a sales exhibition. Satu Vaarula (b. 1967 in Pälkäne) is a nature photographer from Forssa who has photographed landscapes for […]