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Kosterhavet Marine National Park
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Welcome to Kosterhavet
Kosterhavet opened in 2009 and is Sweden’s first marine national park, created to protect and share a unique marine environment. The park contains Sweden’s highest marine biodiversity and is a beautiful destination for everyone. The Koster archipelago is also home to a large population of harbour seals.
A Kosterhavet film
Kosterhavet Visitor Center
Kosterhavet is Sweden's first, and only, marine national park. The sea around the Koster Islands is the most species-rich ocean area in Sweden by far. Welcome to the Kosterhavet Visitor Centre - Ekenäs, South Koster.
Catch lobsters or oysters on a guided shellfish safari. Cycle or paddle around the beautiful Koster Islands and visit the twin lighthouses on Ursholmen. Don't miss the seal colonies!
A range of accommodation awaits on the Koster Islands and Strömstad - Choose from hotels, cabins and campsites.
Kosterhavet has five entrances. Here you find fine areas for walking, bird watching, beautiful rocky shorelines and clear waters for snorkelling.
Kosterhavets is centred around the Koster Islands on the Swedish west coast, only two hours north of Gothenburg, and of the 450 sq km it covers, 390 are underneath the water’s surface. It's a whole new world to discover!
What the press says
Sweden’s first marine national park has generated a lot of interest in the international media. Have a look at what the writers have had to say and how they’ve been inspired by this unique new park.
How to get there
Most overseas visitors to West Sweden arrive at the coastal city of Gothenburg, and Kosterhavet is easy to get to from there. Take a train or hire a car and drive two hours north to Strömstad, from where a passenger ferry to the Koster Islands takes just 45 minutes.
General information folder
Boating in Kosterhavet
Nature reserve in Kosterhavet
The West Sweden Tourist Board is the legally responsible publisher of this website. WSTB market tourism products an services in the West Sweden County. Reservations and purchases are made directly from the supplier, whose name and contact details are stated on the confirmation. Any complaints are to be directed to the respective supplier(s). For more information, contact the Legal, Financial and Administrative Services Agency.