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Excellent: 37Good: 9Not classified: 3
✅ Not a single site in Slovenia is rated Poor this season.
✅ The safest bets in Slovenia
Sites that have held the top rating five seasons in a row — not a one-year fluke.
- Naravno Kopališče Hotel Vila Bled Excellent ✅ Excellent five seasons straight
- Kopalno Območje Fužinski Zaliv Excellent ✅ Excellent five seasons straight
- Kopalno Območje Soča Pri Tolminu i Excellent ✅ Excellent five seasons straight
- Naravno Kopališče Rks Mzl Debeli Rtič Excellent ✅ Excellent five seasons straight
- Kopalno Območje Fiesa Excellent ✅ Excellent five seasons straight
- Plaža Hotela Vile Park Excellent ✅ Excellent five seasons straight
- Naravno Kopališče Delfin Excellent ✅ Excellent five seasons straight
- Obmorsko Kopališče Terme Krka-talaso Strunjan Excellent ✅ Excellent five seasons straight
- Kopalno Območje Kolpa, Učakovci–vinica Excellent 📈 Turned around — was Poor or Sufficient a few seasons ago, Excellent now
- Kopalno Območje Rikorvo–simonov Zaliv Excellent ✅ Excellent five seasons straight
- Plaža Grand Hotela Bernardin Excellent ✅ Excellent five seasons straight
- Grajsko Kopališče Excellent ✅ Excellent five seasons straight
📈 Turned around
These were rated Poor or Sufficient a few seasons ago and are Excellent today.
- Kopalno Območje Kolpa, Učakovci–vinica Excellent 📈 Turned around — was Poor or Sufficient a few seasons ago, Excellent now
- Kopalno Območje Krka, Žužemberk Excellent 📈 Turned around — was Poor or Sufficient a few seasons ago, Excellent now
- Kopališče Žusterna Excellent 📈 Turned around — was Poor or Sufficient a few seasons ago, Excellent now
📍 Destinations in Slovenia
Common questions about swimming in Slovenia
Is it safe to swim in Slovenia?
Mostly yes. 80% of Slovenia's 49 officially monitored bathing sites hold the top "Excellent" class in the 2025 assessment, and not a single one is rated Poor.
Which beaches in Slovenia should I avoid?
None. No bathing site in Slovenia carries a Poor classification in the 2025 assessment.
Where is the water cleanest in Slovenia?
28 sites have held the top rating five seasons running — a far better signal than a single good year. Around Portoroz, Lake Bled you will find the densest clusters.
How often is water quality tested in Slovenia?
Through the whole bathing season. National sanitary authorities sample each official site for E. coli and intestinal enterococci, report to the European Environment Agency, and the published class reflects the last four seasons combined.
Ratings are the official season-long classification, computed from the last four seasons of sampling — not a live reading. After a storm any site can be temporarily worse; local advisories win.