Ranked by the OnlyBeaches Index (OBI) — a 1-10 score blending water purity, conditions, crowd levels and vibe. Updated every 30 minutes.
Bildsø Strand
Strong Great Belt beach with long sand and less crowding than Stillinge.
Kongsmark Beach
Long Great Belt beach strip with summer-house appeal and quieter space than major resorts.
Stillinge Beach
Popular West Zealand summer-house beach with long sand and holiday infrastructure.
Stillinge Strand
Major Great Belt resort beach with summer services and a long west-facing sandy shore.
Slagelse sits in Region Zealand, Denmark and is home to 4 ranked beaches on OnlyBeaches. Every beach here is scored by the OnlyBeaches Index — a 1-10 metric blending water purity, live conditions (waves, water temperature, wind), crowd intelligence and vibe.
Whether you're after the highest-scoring beach in Slagelse or a quieter hidden cove, the list above is refreshed every 30 minutes using live Stormglass and OpenWeather data.
