Coast fishing at the island of Als
Along the 258 kilometre coastline at island Als and inlet Flensborg Fjord in the Sønderborg-area, you will find many good angling spots.
Fishing license in Denmark
The fishing license from the Danish state is required of all anglers, from the age of 18 until earned right to Danish national pension (2025 = 67 years), who want´s to go fishing at the coastline, at sea or in lakes and coves connecting to the sea.
NB. Since 16 March 2023 sales take place exclusively at www.fisketegn.dk
The prices of the State fishing license, per 1 August 2023 is; DKK 46 for 1 day, DKK 150 for 1 week and DKK 214 for 1 year (from date of purchase).
Fishing without a valid license leads to fine.
The state fishing license is personal and cannot be transferred, and it is NOT permitted to sell the catch!
Limited catch, minimum length and closed season
The rules are limited to the fishing waters surrounding our part of the Baltic Sea, belts and sounds around island Als and Sundeved as well as the inlet Flensborg Fjord.
Catch restrictions
Salmon in the Western Baltic Sea
Ban on the catch of wild salmon and limited catch on farmed and released salmon in 2025.
Minimum length in salt water
The specified measurements apply to Als and Sundeved (Subarea 22), and are measured in centimeters from snout to tail tip
| Perch: | 20,0 | Saithe: | - | |
| Pike: | 60,0 | Turbot: | 30,0 | |
| Sea trout: | 40,0 | Plaice: | 25,0 | |
| Whitefish: | 36,0 | Herring: | - | |
| Salmon: | 60,0 | Flounder: | 23,0 | |
| Mackrel: | - | Brill: | 30,0 | |
| Grey mullet: | - | Lobster - full length: | 21,0 |
Flensborg Inner Fjord
Additional lenght limits in Flensborg Inner Fjord
Turbot: 32,5 Plaice: 26,0 Flounder: 25,5.
Closed season in salt water
Trouts: 16 Nov - 15 Jan (applies for fish in breeding colours)
Pike: 1 Apr - 15 May (applies only for salt water)
Eel: 1 Jan 2024 - 31 Mar 2025 (applies only for recreational anglers)
Flensborg Inner Fjord
Additional closed season in Flensborg Inner Fjord
Eelpout: 1 Oct - 31 Jan (total length over 20 cm or with spawn)
Plaice: 15 Jan - 15 Mar (female with roe pouch longer then middle of the fish)
Flounder: 1 Jan - 15 May (female).
Fishing spots and fishing prohibited
A bit north of the city of Sønderborg, you'll find the bridge at Kær Vestermark, where it's possible to engage in handicap-friendly fishing. In addition to the fishing prohibition at Tritons Stenrev and Tranerodde, you should also be aware of the fishing ban in the harbor of Sønderborg as well as in the conservation zones.
See a comprehensive overview of fishing on our Google Map.
For a geographical view, choose 'Map'
Kegnæs Ende
Good fishing spot facing the Flensburg Outer Fjord, at the end of the Kegnæs peninsula.
Gammel Pøl
Pøls Rev is one of Als's most famous fishing spots and many large sea trout are caught here.
Fishing at Mommark
At Mommark Marina you can angel south of the harbour.
There is deep water right to the shore.
Voigt Strand
From a sandbank along the coast you cast out over seaweed and large stones - ideally in a moderate southerly wind.
Fishing at Købingsmark
Købingsmark lies on the northern part of the island of Als, close to one of the larger settlements with holiday homes.
Fishing from the jetty at Kær Vestermark
Wheelchair-accessible fishing spot from the jetty at Kær Vestermark
Tranerodde - fishing prehibited
Fishing is prehibited from Tranerodde Lighthouse in the southern direction and 25 metres out from the coastline, due to chemical polution.
Fishing prohibition at Tritons Stone reef
Teaching reef at the coast between Sønderborg Castle and Sønderborg Marina.
