Aaltoja! – Under Waves in Maretarium 19.-22.10.2022 at 6 pm-10 pm

Maretarium and Merisydän Cafe take part in Aaltoja! -festival, the work will be placed outside the Maretarium yard pool and inside the aquarium facilities. The title of the work is “Under Waves”, by the collective TELAKKA & Co. Musician Esa Kotilainen surfs the sound waves of the work. In addition, Esa Kotilainen’s solo performances at […]
Kotka Fish Market 15.-16.10.2022

The Kotka Fish Market will be held in Sapokka around Maretarium and Tulikukko on the 15.-16.10.2022. The market’s theme fish is Baltic herring, and there will be not only fresh fish and various fish products, but also Baltic herring processing shows by fish biologist Kari Nyberg. The fish market will be opened by The Mayor […]
The Baltic Sea Tank is now in use

Finally the Baltic Sea Tank is in use after 1 and ½ years renovation. The visibility of the water is till quite poor, but day after day it will be cleaner when the water circulates through sand filtration and UV-light filtration.
Free access to Maretarium with Ukrainian passport

Ukrainian passport provides free access to Maretarium until the end of August 2022, ласкаво просимо!
Maretarium 20 years

This year, Maretarium celebrates its 20th anniversary. In twenty years, about 875,000 visitors have visited the aquarium tour. The actual birthday day is May 1st. The theme of the jubilee year is the diversity of aquatic nature. Maretarium encourages its visitors to work for a more diverse aquatic nature in its exhibition, tips for actions […]
Interior work underway in the Baltic Sea tank

The renovation of Maretarium’s Baltic Sea tank is now progressing with the interior of the tank. There will be stone imitations and a wreck structure in the tank – after all, the sea area off Kotka, from which the water from the Maretarium aquarium tanks is taken, a significant graveyard of wrecks. The interior design […]
Maretarium is closed during 20.1.-2.2.2022

Because of the bad covid-situation in Kymenlaakso area, also Maretarium has to be closed during 20.1.-2.2.2022.
Teemu Lakka, In Cold Waters – exhibition of unique Finnish underwater photos at Maretarium 8.6.-31.10.2021

Maretarium’s special exhibition will feature unique images of Finnish nature below the surface, including those moments when the water begins to freeze. Teemu Lakka (d.b. 1980 in Anjalankoski) has been working at Maretarium as aquarist-diver since spring 2019. Lakka started underwater photography in 2009. The enthusiasm for filming came from the fact that the verbal […]
The theme for 2021 is the fight against the climate change

At Maretarium, the theme for 2021 is the fight against the climate change. The City of Kotka is aiming with the so-called “Hinku commitment” to carbon neutrality by 2030. Maretarium’s exhibition discusses the measures of the Kotka climate programme and asks visitors what everyone considers to be the most important action in the fight against […]