Harbour master, management and facilities

In the sales office you will also find the harbour management. For any questions around our moorings please contact us under phone: +49 461 177 27 45 or via Email: sonwik@fys.de

The harbour master's office is located above the restaurant Odore del Mare and open from 8 to 10 a.m and from 5 to 6 p.m. The harbour masters Mr. Thomas Mallunat and Mr. Jan Liedtke can be contacted under phone: +49 461 50 50450 or via Email thomas.mallunat@sonwik.de or jan.liedtke@sonwik.de.

Our petrol station is located at the entrance of the harbour and we offer biocidal free diesel according to EN590. In case you would like to take a larger amount of fuel you can purchase prepaid cards in the harbour master's office. With a prepaid card you are able to fill up you tanks 24 hours without the assistance of the harbour master.

Our crane can take 2,8 tons and is daily in operation from 8 - 10 a.m and from 3 to 5 p.m. The cost for the usage is € 75 and for setting up a mast we charge € 35.

Our address is a follows:

Flensburger Yacht-Service GmbH & Co. KG
Location: Sonwik Yachthafen
Fördepromenade 4 d
24937 Flensburg

Below please find our price list. For payments in our marina you are welcome to register under GOMARINA 


Download: Preisliste_Yachthaefen_2018.pdf

boot in Düsseldorf

January 19th to 27th, 2019
Book your appointment for Sealine C330, S330, C390 and C430 now. You find us with Sealine in hall 5 booth no. C22. Hanse yachts are presented in hall 16 on stand no B38. Call us under +49 461 1772751 or Email us under

See you soon.


Flensburg Boat Show

Flensburg Boat Show

August 30th to September 1st, 2019


Marina Sonwik

There are still a few 15 m berths for summer 2019 available. Please call us under: +49 461 177 2745 or send us an Email under: sonwik@fys.de