Description
General information about the beach
Sønderborg Sundgade Strand is a central sandy beach on the west side of Als Sund, about 350 metres long. It is 10–20 metres wide, with sparse vegetation along the northern edge, and offers scenic views of Sønderborg Castle.
Beach & Entry
Surface, sand, water entry and bottom
Surface Type
Main surface type
sand
Sand Color
Main sand colour
golden
Water Entry
How steep the drop-off is
moderate
Shallow Distance
Metres to waist-deep water
8 m
Bottom Type
Main bottom type
mixed
Water Shoes
Whether special footwear is needed
recommended
Beach Length
Beach length in metres
350 m
Frequently asked questions
Sønderborg Sundgade Strand: what is the water like at this beach?
At this beach, water colour — turquoise, clarity high, average temperature +17.0°C, warms up to +20.0°C in the warmest season. Check the exact temperature by month in the chart section.
Sønderborg Sundgade Strand: what are the waves like and is it safe to swim?
Waves at this beach are — calm. Average wave height — 0.2 m. Calm water is great for families with children and those who prefer not to deal with strong swell.
Sønderborg Sundgade Strand: what is the water entry and bottom like?
Water entry is — moderate. The shallow area extends for 8 metres from the shore. Bottom — mixed. It is recommended to bring aqua shoes — parts of the bottom have rocks or corals.
Sønderborg Sundgade Strand: what kind of sand and surface does the beach have?
Beach surface — sand. Sand colour — golden. Texture — fine. Beach length — 350 metres.
Sønderborg Sundgade Strand: when is the swimming season?
The swimming season starts in June. It ends in September. The best month for a holiday is July. This is when the water is warmest and the weather is most comfortable.
Sønderborg Sundgade Strand: is it safe to swim?
Water quality is rated as excellent. Rip currents are likely — swim only in designated areas. Jellyfish risk — low. Always watch for warning signs and follow lifeguards instructions.
Sønderborg Sundgade Strand: which dangerous creatures live in the water?
The water contains: blue-green algae. We recommend wearing protective footwear, not touching marine life and taking care when entering the water.
Sønderborg Sundgade Strand: what infrastructure is available on the beach?
The beach offers: toilets, parking, kids playground. All amenities are listed in the "Infrastructure" section above.
Sønderborg Sundgade Strand: are there lifeguards and a first aid station?
There are no lifeguards on the beach — be especially careful when swimming.
Sønderborg Sundgade Strand: what should I bring to the beach?
We recommend bringing: SPF50+ cream, Water, Towel, Swimsuit, Water shoes, Cash, First aid kit, Hat.
Sønderborg Sundgade Strand: when is the best time to swim?
In the morning the water is calmer and there are fewer people. The best time for swimming is from June to September.
Sønderborg Sundgade Strand: what are the rules and restrictions on the beach?
Dogs are allowed on the beach but must be kept on a lead from April to September. Do not leave litter. The use of jet skis and water scooters is prohibited.
Sønderborg Sundgade Strand: who is this beach best for?
Ideal for city dwellers and tourists wanting to swim near central Sønderborg. Suitable for a quick swim and walks along the strait. Not suitable for families with small children due to the rapid drop-off.
Sønderborg Sundgade Strand: what makes this beach unique?
The beach is located in a protected Natura 2000 nature area where the use of jet skis and water scooters is prohibited. A ancient fortification (schanse) dating from 1067-2009 AD is nearby.
Sønderborg Sundgade Strand: what are the pros and cons of the beach?
Pros: Convenient location in the city centre, Picturesque views of Sønderborg Castle, Bathing jetty, Wheelchair access, Playground nearby, Parking and toilets, Free access, Excellent water quality. Cons: Narrow beach (10-20 m), Water gets deep quickly, Not Blue Flag certified, Limited infrastructure, Strong currents possible in the strait, Noisy due to proximity to city, Bottom with seaweed and stones.
Sønderborg Sundgade Strand: what is near the beach?
Nearby you can visit: Sønderborg Castle, Gendarmstien, Sønderborg Town Centre. Detailed descriptions in the "Nearby" section above.
Sønderborg Sundgade Strand: how do I get to the city of Sønderborg?
The beach is located near the city of Sønderborg. Full information about the city — hotels, restaurants, attractions, transport — is available on the
city page for Sønderborg.