Kotka Maretarium — Aquarium in Kotka

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Kotka Maretarium and its collection

Kotka Maretarium is an aquarium in Kotka, Finland.

Devoted to Finnish fish and inland waters, it shows roughly 60 native resident fish species. It was created jointly by the city, the University of Helsinki and the game and fisheries research institute, and has rooms for researchers and a nature school alongside the tanks. The building also holds a sea theatre, the Merisydän café and a souvenir shop.

Animals and collection

Animals on show include ahvenen, ankeriaan, hauen, kuhan and kampelan.

Exhibits

Its exhibits include Meriteatterissa and karppialtaalla.

Things to do

Things to do include Feeding of the fish, Guided tour and Nature film screening.

What the venue says

  • Luontofilmi
  • Maretariumin yhteydessä sinua palvelevat matkamuistomyymälä Meripuoti ja Merisydän Cafe, tervetuloa!
  • There are plentiful free parking areas designated for cars and buses located right near the aquarium, making it convenient for visitors arriving by vehicle.
  • The facility is generally equipped to accommodate visitors with reduced mobility, offering accessible entry and smooth passage across exhibition spaces.
  • Visitors utilizing the EU Disability Card or requiring an accompanying assistant benefit from free admission for their helper.

Opening hours

Mo 10:00-17:00; Tu 12:00-19:00; We-Su 10:00-17:00; Dec 07-Dec 25 off

As published by the venue; we could not read it into a timetable.

7.-25.12.2026 suljettu, huoltotauko (Dec 7-25 closed for maintenance break)

Admission

Ticket TypePrice
Adults, at the door18.50 EUR
Adults, online18.00 EUR
Children (3-17 years), at the door10.50 EUR
Children (3-17 years), online10.00 EUR
Students, at the door14.50 EUR
Students, online14.00 EUR

Facilities

  • Keeper talk or show
  • Guided tour

Exhibitions & events

No upcoming events

No temporary exhibitions or scheduled public events are published for Kotka Maretarium at this time.

Location & map

Sapokankatu 2
Kotka
Finland

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Frequently asked questions

No frequently asked questions yet

We have not published any questions and answers for Kotka Maretarium.

Animals

Photographs show each species in general. They were not taken at Kotka Maretarium.

Exhibits

  • in the Sea Theatre (Meriteatterissa)
  • at the carp pool (karppialtaalla)