tellus-travels
← All destination guides
Kotka

Kotka

Finland · Gulf of Finland

Updated May 5, 2026

Kotka is a major port and industrial city on Finland's southeastern coast at the mouth of the Kymi River, along the Gulf of Finland. Home to around 50,000 residents, it features the significant Port of Hamina-Kotka, Finland's largest port handling containers, bulk cargo, and exports like paper and pulp. The city center is on Kotkansaari island, offering attractions like the Maretarium Aquarium showcasing Finnish fish species.

Best time to visit
June to August for summer with mild temperatures and long daylight hours ideal for coastal exploration.
Language
Finnish
Currency
EUR

Interesting facts

  • Kotka sits at the delta of the Kymijoki river, which has five mouths and divides into branches near the Kultaankoski rapids, about 15 km inland from the Gulf of Finland.
  • The Port of Hamina-Kotka, formed in 2011 by merging ports of Kotka and Hamina, is Finland's biggest port, crucial for Finnish exports and transit to Russia, operated by a company owned 60% by Kotka and 40% by Hamina.
  • Maretarium Aquarium, opened in 2002 on Kotkansaari, displays around 60 native Finnish fish species in collaboration with the University of Helsinki and the Finnish Game and Fisheries Research Institute, including research facilities and a Maritime Theater.
  • Sunila is a notable district and industrial complex in Kotka on the Gulf of Finland shore, historically known as Bärnäs in Swedish.
  • Haapasaari, an island consolidated with Kotka in 1974, was the only insular municipality in the Gulf of Finland not ceded to the Soviet Union after World War II.

Local tips

  • Explore Kotkansaari island, the city center, and visit the Maretarium Aquarium for insights into Finnish aquatic life.
  • Use national road 7 (E18) for easy access; it connects west to Helsinki and east toward St. Petersburg.
  • Check out the Port of Hamina-Kotka for industrial tours if available, but respect security restrictions.
  • Enjoy the coastal scenery along the Gulf of Finland; nearby Sapokka offers waterfront views.
  • Note the unilingual Finnish official status (87% Finnish speakers); English is widely understood in tourist areas.
  • Visit in summer for outdoor activities, as the humid continental climate brings mild weather.
Information from perplexity · last verified May 5, 2026