Eastern Gotland Basin

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Eastern Gotland Basin

The Eastern Gotland Basin covers the main basin of the Baltic Sea from Gotland to the Baltic coastline and the Gulf of Riga. The deepest point in the area is the Gotland Deep at 249 m. Gotland, which is located by the eastern coast of Sweden, is the largest island in the Baltic Sea, known for its abysses, limestone beaches, and seabird communities.

In terms of its coast and seabed formation, the southern coast of the Baltic Sea is by far more even than the broken-up, stony, craggy beaches and archipelagos of northern Baltic Sea. In most places on the Baltic coastline, the wide open sea opens up immediately from the shoreline, and the beaches lie low.

Via its rivers, the main basin of the Baltic Sea is the recipient of discharges from a vast area, and the extensive blooms of blue-green algae, witnessed every summer, are even visible in images taken from satellites. By reducing the nutrient load that originates on land, we can prevent the creation of blue-green algae blooms. The main basin of the Baltic Sea is in direct contact with the Gulf of Finland, which is why changes in the main basin also have an impact on the status of the open sea area of the Gulf of Finland.


Choose a spot on the map and make a donation! With your help, we are realising concrete Baltic Sea conservation operations as well as making sure that the stories of the sea will be preserved for future generations.


Found your own Baltic Sea team and recruit others to raise more for your team’s donation pot. The team could be organised for a holiday collection or corporate donation, for example.

Information about the page

This page is a symbolic indication of how, with the help of the John Nurminen Foundation, the Baltic Sea and its cultural heritage is being conserved. The decrease in nutrient emissions affects the entire area of the Baltic Sea, and your donation cannot be specifically targeted only to your chosen spot to improve water quality. Our cultural heritage work also covers the entire scope of the Baltic Sea. Our wish is to raise awareness about the Baltic Sea’s unique qualities and history to as large an audience as possible, so that people can learn to value and conserve our beloved sea.

In addition, we vow that our work is driven by substantial results and effectiveness. We are unaffiliated: our work is driven solely by the desire to conserve the Baltic Sea.

More on the foundation’s work can be found here

Other support options

If, for you, purchasing a spot does not feel like the right way to get involved in the preservation of the Baltic Sea and its cultural heritage, then go and check out our other options! For example, you can become a monthly donor, make a one-off donation or donate your birthday to the Baltic Sea.
Every one of us can also help the Baltic Sea by shopping and acting responsibly. You can find tips on Baltic Sea conservation here.