Information center Kosterhavet
Welcome to Kosterhavet National Park with information centre naturum, in Ekenäs on South Koster.
At naturum, you can learn almost everything there is to know about the National Park and has displays about the natural history of Kosterhavet.
Audioguides in english and german for free.
Special demonstrations for school classes and other groups can be booked throughout the year, please contact on
+46 10 224 54 00 or e-mail:
You can read more about the National Park and down load a map of the Koster Islands to the right (as a pdf-document).
Kosterhavet National Park
Sights: Rich fauna above and below the sea surface, including seals, the coral Lophelia pertusa and the silver-washed fritillary. Fine areas for walking, bird watching, beautiful rocky shorelines and clear waters for snorkelling.
Location: Kosterhavet Marine National Park is in northern Bohuslän and can be reached from several towns along the coast. Koster boats depart from Strömstad all year round, passing through the national park on their journey to the Koster Islands. There are beautiful views over the Koster Sea from the islands of Resö, Rossö and Tjärnö, where more information is also available.
Open all year round.
Every day between 11 am- 5 pm during summer (23/6-24/8).