Excellent: 14
All 14 sites, best water first
- Onkilampi Excellent3 km NE ✅ Excellent five seasons straight
- Ilosaari Excellent3 km S ✅ Excellent five seasons straight
- Honkaniemi Excellent4 km SW ✅ Excellent five seasons straight
- Linnunlahti Excellent4 km SW ✅ Excellent five seasons straight
- Aavaranta Excellent4 km SW ✅ Excellent five seasons straight
- Vehkalahti Excellent5 km S ✅ Excellent five seasons straight
- Reijola Excellent9 km S ✅ Excellent five seasons straight
- Aittolampi Excellent9 km E ✅ Excellent five seasons straight
- Valkealampi Excellent10 km NE ✅ Excellent five seasons straight
- Niittylahti Excellent13 km S ✅ Excellent five seasons straight
- Satama Excellent14 km N ✅ Excellent five seasons straight
- Vierevanniemi Excellent15 km N ✅ Excellent five seasons straight
- Kuorinka Excellent18 km W ✅ Excellent five seasons straight
- Louhioja Excellent26 km NE ✅ Excellent five seasons straight
Classification = four seasons of official sampling for E. coli and intestinal enterococci. It won't warn you about a storm-day spike, jellyfish or currents — local advisories always win.