Kostrena - Ronilački klub
Kostrena - Ronilački klub is an official swimming spot in Kostrena, within the Primorje-Gorski Kotar region. The final water-quality rating is…
Excellent40 samplingssea 22.8 °C
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Beaches in Kostrena
Kostrena has 7 officially registered swimming spots on the Adriatic coast within the Primorje-Gorski Kotar region. Every location undergoes regular microbiological sampling, and 7 out of 7 beaches rate as excellent water quality for the 2025 season. Highly recommended: Kostrena - Ronilački klub, Kostrena - Stara voda, Kostrena - uvala Svežanj.
Beaches in Kostrena
Each marker leads directly to the detailed profile.
All profiles in Kostrena
Each card links to the measurements, coordinates and sources of that swimming spot.
Kostrena - Stara voda
Kostrena - Stara voda is an official swimming spot in Kostrena, within the Primorje-Gorski Kotar region. The final water-quality rating is…
Excellent40 samplingssea 22.7 °C
Kostrena - uvala Svežanj
Kostrena - uvala Svežanj is an official swimming spot in Kostrena, within the Primorje-Gorski Kotar region. The final water-quality rating is…
Excellent40 samplingssea 22.8 °C
Kostrena - Žurkovo
Kostrena - Žurkovo is an official swimming spot in Kostrena, within the Primorje-Gorski Kotar region. The final water-quality rating is excellent.…
Excellent40 samplingssea 22.7 °C
Mikulova kava
Mikulova kava is an official swimming spot in Kostrena, within the Primorje-Gorski Kotar region. The final water-quality rating is excellent. 40…
Excellent40 samplingssea 22.6 °C
Plaža ispred restorana Kostrenka
Plaža ispred restorana Kostrenka is an official swimming spot in Kostrena, within the Primorje-Gorski Kotar region. The final water-quality rating…
Excellent40 samplingssea 22.7 °C
Pod Kvarovo
Pod Kvarovo is an official swimming spot in Kostrena, within the Primorje-Gorski Kotar region in the Kostrena area. The final water-quality rating…
Excellent40 samplingssea 22.6 °C
More about beaches in Kostrena
How the sea monitoring system works
All swimming spots in Kostrena are part of the national water-quality monitoring programme run by the Institute of Oceanography and Fisheries. Samplings are carried out multiple times per week during the season, and the results are publicly available. For the 2025 season, a total of 7 bathing areas are shown.
Water quality in 2025
The 'excellent' rating was awarded to 7 out of 7 swimming spots in Kostrena. This is in line with the EU Bathing Water Directive and means that microbiological parameters are below threshold values. Examples: Kostrena - Ronilački klub, Kostrena - Stara voda, Kostrena - uvala Svežanj.
Temperature and seasonal conditions
Adriatic sea temperatures around Kostrena typically reach between 24 and 27 °C in July and August. The latest available measurements are shown on each beach profile.