Greece · region · official name Ionia Nisia
Bathing water quality in Ionian Islands, Greece
Ionian Islands has 173 official bathing waters in the EEA dataset for the 2025 season — all coastal. 98.8% were classified Excellent — 1.7 points above the 97.1% across Greece — and 0 were Poor. By regional unit, the Excellent share is highest in Kerkyra (100% of 75) and lowest in Zakynthos (94.1% of 34). 125 sites have been Excellent in every season from 2015 to 2025.
Ποιότητα υδάτων κολύμβησης: Ionia Nisia
Από τις 173 επίσημες θέσεις κολύμβησης της ΕΕ (Ionia Nisia), το 98,8% ήταν «εξαιρετική» το 2025· θέσεις με «ανεπαρκής»: 0.
173
official bathing waters
98.8%
Excellent in 2025
0
Poor in 2025
Not live: these are annual official classifications. Check the competent authority for today’s notices before swimming.
Map of official bathing waters in Ionian Islands
Excellent 171Poor 0Not classified 2
Ionian Islands by regional unit
Sites are placed in the Eurostat NUTS 3 regional units that contain their reported coordinates.
| Regional unit | Sites | Excellent | Good | Sufficient | Poor | Not classified |
|---|---|---|---|---|---|---|
| Kerkyra | 75 | 75 (100%) | 0 | 0 | 0 | 0 |
| Ithaki, Kefallinia | 44 | 44 (100%) | 0 | 0 | 0 | 0 |
| Zakynthos | 34 | 32 (94.1%) | 0 | 0 | 0 | 2 |
| Lefkada | 20 | 20 (100%) | 0 | 0 | 0 | 0 |
Most consistent Excellent sites
125 sites were Excellent in all eleven seasons. Ordered by the length of the unbroken Excellent run ending in 2025; the first 24 are shown and every site is in the full list below.
- AGIA AIKATERINI 11 seasons · Kerkyra
- AGIA EFTHYMIA 11 seasons · Ithaki, Kefallinia
- AGIA KYRIAKI 11 seasons · Ithaki, Kefallinia
- AGIOS GEORGIOS 11 seasons · Kerkyra
- AGIOS GEORGIOS PAGON 11 seasons · Kerkyra
- AGIOS GORDIOS - KATO GAROUNA 11 seasons · Kerkyra
- AGIOS IOANNIS STROGYLLIS 11 seasons · Kerkyra
- AGIOS MATHAIOS 11 seasons · Kerkyra
- AGIOS NIKITAS 1 11 seasons · Lefkada
- AGIOS NIKITAS 2 11 seasons · Lefkada
- AGIOS NIKOLAOS 11 seasons · Zakynthos
- AGIOS STEFANOS 11 seasons · Kerkyra
- AI GIANNIS - KAMINIA 11 seasons · Lefkada
- AI GIANNIS - MYLOI 11 seasons · Lefkada
- AI-CHELIS 11 seasons · Ithaki, Kefallinia
- ALIKANAS 11 seasons · Zakynthos
- ALYKES 11 seasons · Zakynthos
- ALYKES 11 seasons · Kerkyra
- ALYKES POTAMOU 11 seasons · Kerkyra
- AMMES 11 seasons · Ithaki, Kefallinia
- AMMOUDI 11 seasons · Zakynthos
- AMPOULA GERAKARIOU 11 seasons · Zakynthos
- AMPOULA TRAGAKI - YPSOS PROSVASIS 11 seasons · Zakynthos
- ANTISAMOS 11 seasons · Ithaki, Kefallinia
Rated Poor in 2025
None of the 173 official bathing waters in Ionian Islands was classified Poor in 2025.
Changes from 2024 to 2025
Improved (1)
- DAFNILA Good → Excellent
Declined (0)
None.
How Ionian Islands rated since 2015
Counts for the sites in today’s 2025 inventory; the Excellent share is calculated over classified sites only.
| Season | Classified | Excellent | Excellent share | Poor |
|---|---|---|---|---|
| 2025 | 171 | 171 | 100% | 0 |
| 2024 | 169 | 168 | 99.4% | 0 |
| 2023 | 169 | 167 | 98.8% | 0 |
| 2022 | 157 | 153 | 97.5% | 0 |
| 2021 | 157 | 150 | 95.5% | 0 |
| 2020 | 155 | 143 | 92.3% | 0 |
| 2019 | 155 | 147 | 94.8% | 0 |
| 2018 | 145 | 141 | 97.2% | 0 |
| 2017 | 144 | 143 | 99.3% | 0 |
| 2016 | 142 | 139 | 97.9% | 0 |
| 2015 | 143 | 142 | 99.3% | 0 |
Places with the most bathing waters in Ionian Islands
Each site is matched to its nearest named place (GeoNames, within 8 km in a straight line), so beaches of one resort or lake shore can be compared together. Select a place to show only its sites in the full list.
| Place | Regional unit | Sites | Excellent | Poor |
|---|---|---|---|---|
| Kontokáli | Kerkyra | 12 | 12 (100%) | 0 |
| Argostólion | Ithaki, Kefallinia | 9 | 9 (100%) | 0 |
| Agios Georgis | Kerkyra | 8 | 8 (100%) | 0 |
| Gáïos | Kerkyra | 8 | 8 (100%) | 0 |
| Nidhríon | Lefkada | 7 | 7 (100%) | 0 |
| Plános | Zakynthos | 7 | 6 (85.7%) | 0 |
| Argási | Zakynthos | 6 | 6 (100%) | 0 |
| Itháki | Ithaki, Kefallinia | 6 | 6 (100%) | 0 |
| Katastárion | Zakynthos | 6 | 6 (100%) | 0 |
| Lefkáda | Lefkada | 6 | 6 (100%) | 0 |
| Lefkímmi | Kerkyra | 6 | 6 (100%) | 0 |
| Lithakiá | Zakynthos | 5 | 5 (100%) | 0 |
| Perivóli | Kerkyra | 5 | 5 (100%) | 0 |
| Acharávi | Kerkyra | 4 | 4 (100%) | 0 |
| Ágios Matthaíos | Kerkyra | 4 | 4 (100%) | 0 |
All 173 official bathing waters in Ionian Islands
Grouped by regional unit, alphabetical within each group. Open a site for its 2015–2025 history, nearby alternatives, weather forecast and the national profile link.
Download all 173 sites as CSV (classes 2015–2025, coordinates, nearest place; EEA data, CC BY 4.0)
Kerkyra 75 sites · 100% Excellent
- AGIA AIKATERINI · Potamós Excellent Excellent 11 seasons in a row
- AGIA TRIADA · Agios Georgis Excellent Excellent 3 seasons in a row
- AGIOS GEORGIOS · Perivóli Excellent Excellent 11 seasons in a row
- AGIOS GEORGIOS PAGON · Agios Georgis Excellent Excellent 11 seasons in a row
- AGIOS GORDIOS - KATO GAROUNA · Kynopiástes Excellent Excellent 11 seasons in a row
- AGIOS IOANNIS STROGYLLIS · Ágios Matthaíos Excellent Excellent 11 seasons in a row
- AGIOS MATHAIOS · Ágios Matthaíos Excellent Excellent 11 seasons in a row
- AGIOS NIKOLAOS-DASIA · Kontokáli Excellent Excellent 3 seasons in a row
- AGIOS PETROS-AMPELAKIA · Agios Georgis Excellent Excellent 3 seasons in a row
- AGIOS PETROS-SOTIRAS-LEFKIMMIS · Lefkímmi Excellent Excellent 5 seasons in a row
- AGIOS STEFANOS · Agios Georgis Excellent Excellent 11 seasons in a row
- AIOLOS BEACH-GASTOURI · Perama Excellent Excellent 3 seasons in a row
- ALMYROS · Acharávi Excellent Excellent 6 seasons in a row
- ALYKES · Lefkímmi Excellent Excellent 11 seasons in a row
- ALYKES POTAMOU · Potamós Excellent Excellent 11 seasons in a row
- APOTRYPITI Excellent
- APRAOS - KALAMAKI · Acharávi Excellent Excellent 11 seasons in a row
- ARILLAS · Agios Georgis Excellent Excellent 11 seasons in a row
- ASTRAKERI · Nýmfes Excellent Excellent 11 seasons in a row
- AVLAKI Excellent Excellent 11 seasons in a row
- BANIA ALEKOU · Corfu Excellent Excellent 2 seasons in a row
- BARBATI Excellent Excellent 11 seasons in a row
- CANAL D AMOUR Excellent Excellent 11 seasons in a row
- CHALIKOUNA · Ágios Matthaíos Excellent Excellent 11 seasons in a row
- CHANOULA · Lefkímmi Excellent Excellent 11 seasons in a row
- DAFNILA · Kontokáli Excellent Good → Excellent since 2024
- DASIA 1 · Kontokáli Excellent Excellent 11 seasons in a row
- DASIA 2 · Kontokáli Excellent Excellent 7 seasons in a row
- EMPORIKO · Potamós Excellent Excellent 3 seasons in a row
- ERMONES · Kontokáli Excellent Excellent 11 seasons in a row
- GARDENO · Perivóli Excellent Excellent 11 seasons in a row
- GIALISKARI · Virós Excellent Excellent 3 seasons in a row
- GIMARI Excellent Excellent 11 seasons in a row
- GLYFA Excellent Excellent 3 seasons in a row
- GLYFADA · Virós Excellent Excellent 11 seasons in a row
- GOUVIA · Kontokáli Excellent Excellent 11 seasons in a row
- GOUVIA-MOLFETA · Kontokáli Excellent Excellent 3 seasons in a row
- ISSOS · Perivóli Excellent Excellent 11 seasons in a row
- KAKI LAGKADA · Gáïos Excellent Excellent 11 seasons in a row
- KALAMIONAS Excellent Excellent 11 seasons in a row
- KANONI · Perama Excellent Excellent 11 seasons in a row
- KAVOS 1 · Lefkímmi Excellent Excellent 11 seasons in a row
- KAVOS 2 · Lefkímmi Excellent Excellent 4 seasons in a row
- KERASIA Excellent Excellent 11 seasons in a row
- KIPIADI · Gáïos Excellent Excellent 11 seasons in a row
- KLONI GOULI · Gáïos Excellent Excellent 7 seasons in a row
- KOMMENO · Kontokáli Excellent Excellent 11 seasons in a row
- KONTOGIALOS · Virós Excellent Excellent 11 seasons in a row
- KONTOKALI Excellent Excellent 11 seasons in a row
- LEFKIMMI - BOUKA - MELIKIA Excellent Excellent 11 seasons in a row
- LEVRECHIOS · Gáïos Excellent Excellent 7 seasons in a row
- MANADENDRI · Gáïos Excellent Excellent 7 seasons in a row
- MARATHIAS · Perivóli Excellent Excellent 11 seasons in a row
- MATHRAKI Excellent Excellent 11 seasons in a row
- MESOGGI - MORAITIKA · Ágios Matthaíos Excellent Excellent 11 seasons in a row
- MPATARIA Excellent
- MPENITSES · Kynopiástes Excellent Excellent 11 seasons in a row
- NAOK · Corfu Excellent Excellent 2 seasons in a row
- NISAKI Excellent Excellent 11 seasons in a row
- PALAIOKASTRITSA DYTIKA · Agios Georgis Excellent Excellent 11 seasons in a row
- PALAIOPOLI · Corfu Excellent Excellent 3 seasons in a row
- PANAGIA SOTIRIOTISSA · Kontokáli Excellent Excellent 3 seasons in a row
- PERITHEIA - AGIOS SPYRIDONAS · Acharávi Excellent Excellent 11 seasons in a row
- PETRITI · Perivóli Excellent Excellent 11 seasons in a row
- PIPITOS Excellent Excellent 11 seasons in a row
- PONTIKONISI · Perama Excellent Excellent 11 seasons in a row
- RODA · Acharávi Excellent Excellent 9 seasons in a row
- ROVINIA · Agios Georgis Excellent Excellent 3 seasons in a row
- SIDARI · Agios Georgis Excellent Excellent 6 seasons in a row
- SOULANENA-PAXOS BEACH · Gáïos Excellent Excellent 7 seasons in a row
- TRAMOUNTANA VIDOU · Corfu Excellent Excellent 11 seasons in a row
- VOUTOUMI · Gáïos Excellent Excellent 11 seasons in a row
- VRIKA · Gáïos Excellent Excellent 7 seasons in a row
- YPSOS 1 · Kontokáli Excellent Excellent 11 seasons in a row
- YPSOS 2 · Kontokáli Excellent Excellent 11 seasons in a row
Ithaki, Kefallinia 44 sites · 100% Excellent
- AGIA EFTHYMIA · Sámi Excellent Excellent 11 seasons in a row
- AGIA KYRIAKI Excellent Excellent 11 seasons in a row
- AGIOS ANDREAS LIMANI Excellent Excellent 9 seasons in a row
- AGIOS THOMAS KARAVADOS Excellent Excellent 3 seasons in a row
- AI-CHELIS Excellent Excellent 11 seasons in a row
- AMMES Excellent Excellent 11 seasons in a row
- ANTISAMOS · Sámi Excellent Excellent 11 seasons in a row
- ATHERAS Excellent Excellent 11 seasons in a row
- BOUKA - GRADAKIA · Argostólion Excellent Excellent 11 seasons in a row
- BOUKA - PALIOSTAFIDA · Argostólion Excellent Excellent 11 seasons in a row
- EMPLISI Excellent Excellent 11 seasons in a row
- EMPROS AETOS · Itháki Excellent Excellent 11 seasons in a row
- FANARI · Argostólion Excellent Excellent 11 seasons in a row
- FILIATRO · Itháki Excellent Excellent 5 seasons in a row
- FOKI Excellent Excellent 9 seasons in a row
- GIDAKI · Itháki Excellent Excellent 11 seasons in a row
- KALAMIA · Argostólion Excellent Excellent 11 seasons in a row
- KAMINIA - MOUNTA Excellent Excellent 11 seasons in a row
- KATELEIOS Excellent Excellent 4 seasons in a row
- KLIMATIAS-SPARTIA Excellent Excellent 3 seasons in a row
- KURVULIA Excellent Excellent 11 seasons in a row
- LEPEDA · Lixoúri Excellent Excellent 11 seasons in a row
- LIMENIA · Póros Excellent Excellent 11 seasons in a row
- LIXOURI Excellent Excellent 11 seasons in a row
- LOURDATA Excellent Excellent 11 seasons in a row
- MAKRYS GIALOS · Argostólion Excellent Excellent 11 seasons in a row
- MANTZAVINATA - MEGAS LAKOS · Lixoúri Excellent Excellent 11 seasons in a row
- MEGALI AMMOS · Argostólion Excellent Excellent 11 seasons in a row
- MEGALI PETRA - AVYTHOS Excellent Excellent 11 seasons in a row
- MYRTOS Excellent Excellent 11 seasons in a row
- PETANOI Excellent Excellent 11 seasons in a row
- PLAKOUTSES Excellent Excellent 11 seasons in a row
- PLATYS GIALOS · Argostólion Excellent Excellent 11 seasons in a row
- POLI Excellent Excellent 11 seasons in a row
- POLI - LOUTSA · Itháki Excellent Excellent 11 seasons in a row
- POLI - TA DEXIA · Itháki Excellent Excellent 11 seasons in a row
- POROS - ARAGIA 1 Excellent Excellent 11 seasons in a row
- POROS - ARAGIA 2 Excellent Excellent 11 seasons in a row
- SAMI Excellent Excellent 5 seasons in a row
- SCHINOS · Itháki Excellent Excellent 11 seasons in a row
- SKALA Excellent Excellent 5 seasons in a row
- SPASMATA · Argostólion Excellent Excellent 5 seasons in a row
- TOURKOPODARO · Argostólion Excellent Excellent 11 seasons in a row
- TRAPEZAKI Excellent Excellent 11 seasons in a row
Zakynthos 34 sites · 94.1% Excellent
- AGIOS NIKOLAOS · Argási Excellent Excellent 11 seasons in a row
- ALIKANAS · Katastárion Excellent Excellent 11 seasons in a row
- ALYKES · Katastárion Excellent Excellent 11 seasons in a row
- AMMOUDI · Katastárion Excellent Excellent 11 seasons in a row
- AMPOULA GERAKARIOU · Plános Excellent Excellent 11 seasons in a row
- AMPOULA TRAGAKI - YPSOS PROSVASIS · Plános Excellent Excellent 11 seasons in a row
- ARGASI Excellent Excellent 11 seasons in a row
- ARGASI - CHRISI AKTI Excellent Excellent 11 seasons in a row
- ARKADIANOU - KOUKLA · Lithakiá Excellent Excellent 11 seasons in a row
- BOUKA-ENANTI KENTRIKIS PROSVASIS · Plános Excellent Excellent 11 seasons in a row
- DAFNI · Kalamákion Not classified
- DIMOTIKI AKTI KRYONERIOU · Zakynthos Excellent Excellent 11 seasons in a row
- DROSIA · Plános Not classified
- GAIDAROS · Plános Excellent Excellent 11 seasons in a row
- GERAKAS Excellent Excellent 11 seasons in a row
- IONIO - BANANA · Argási Excellent Excellent 11 seasons in a row
- KALAMAKI 1 · Kalamákion Excellent Excellent 11 seasons in a row
- KALAMAKI 2 · Kalamákion Excellent Excellent 11 seasons in a row
- KAMINIA · Lithakiá Excellent Excellent 11 seasons in a row
- KATRAGAKI · Plános Excellent Excellent 11 seasons in a row
- KRYONERI · Zakynthos Excellent Excellent 11 seasons in a row
- LAGANAS · Kalamákion Excellent Excellent 11 seasons in a row
- LAGANAS - AI SOSTIS 1 · Lithakiá Excellent Excellent 11 seasons in a row
- LAGANAS - AI SOSTIS 2 · Lithakiá Excellent Excellent 11 seasons in a row
- LIMNI KERIOU · Lithakiá Excellent Excellent 4 seasons in a row
- LIMNIONAS Excellent Excellent 7 seasons in a row
- MAKRIS GIALOS · Katastárion Excellent Excellent 7 seasons in a row
- MAURANTZI · Argási Excellent Excellent 11 seasons in a row
- PORTO ROMA · Argási Excellent Excellent 11 seasons in a row
- PORTO ROXA Excellent Excellent 7 seasons in a row
- STILI PESONTON · Zakynthos Excellent Excellent 11 seasons in a row
- TSILIVI - KAMPITSI · Plános Excellent Excellent 11 seasons in a row
- XECHORIATIS · Katastárion Excellent Excellent 7 seasons in a row
- XIGKIA · Katastárion Excellent Excellent 7 seasons in a row
Lefkada 20 sites · 100% Excellent
- AGIOS NIKITAS 1 Excellent Excellent 11 seasons in a row
- AGIOS NIKITAS 2 · Lefkáda Excellent Excellent 11 seasons in a row
- AI GIANNIS - KAMINIA · Lefkáda Excellent Excellent 11 seasons in a row
- AI GIANNIS - MYLOI · Lefkáda Excellent Excellent 11 seasons in a row
- DESIMI · Nidhríon Excellent Excellent 11 seasons in a row
- GIALOS DRAGANOU Excellent Excellent 8 seasons in a row
- GYRA · Lefkáda Excellent Excellent 11 seasons in a row
- KALAMITSI Excellent Excellent 11 seasons in a row
- KARIOTES · Lefkáda Excellent Excellent 11 seasons in a row
- KATHISMA Excellent Excellent 11 seasons in a row
- LYGIA · Lefkáda Excellent Excellent 11 seasons in a row
- MIKROS GIALOS - POROS Excellent Excellent 11 seasons in a row
- NIKIANA 1 · Nidhríon Excellent Excellent 11 seasons in a row
- NIKIANA 2 · Nidhríon Excellent Excellent 5 seasons in a row
- NYDRI 1 · Nidhríon Excellent Excellent 5 seasons in a row
- NYDRI 2 · Nidhríon Excellent Excellent 3 seasons in a row
- PLAZ PASSA · Nidhríon Excellent Excellent 11 seasons in a row
- PONTI Excellent Excellent 11 seasons in a row
- PORTO KATSIKI Excellent Excellent 11 seasons in a row
- RERIGIALI · Nidhríon Excellent Excellent 11 seasons in a row
Compared with other regions in Greece
| # | Region | Sites | Excellent | Poor |
|---|---|---|---|---|
| 1 | Thessaly | 107 | 100% | 0 |
| 2 | Epirus | 37 | 100% | 0 |
| 3 | Peloponnese | 191 | 99.5% | 0 |
| 4 | Central Macedonia | 120 | 99.2% | 0 |
| 5 | Attica | 186 | 98.9% | 0 |
| 6 | Crete | 177 | 98.9% | 0 |
| 7 | Ionian Islands | 173 | 98.8% | 0 |
| 8 | North Aegean | 138 | 98.6% | 0 |
| 9 | Central Greece | 158 | 97.5% | 0 |
| 10 | Western Greece | 86 | 95.3% | 0 |
| 11 | Eastern Macedonia and Thrace | 57 | 93% | 0 |
| 12 | South Aegean | 304 | 90.8% | 0 |
Regions with at least 15 official bathing waters. Size, water type and how densely sites are designated differ, so the table is context rather than a verdict.
Quick answers
- How many bathing waters in Ionian Islands were rated Excellent in 2025?
- 171 of 173 (98.8%) in the official EEA 2025 classification; 0 were Good, 0 Sufficient and 0 Poor, and 2 had no class. That ranks Ionian Islands 7 of 12 Greece regions by Excellent share.
- Which regional unit of Ionian Islands has the highest share of Excellent sites?
- Kerkyra: 100% of its 75 sites were Excellent in 2025. Ithaki, Kefallinia follows with 100%. Only regional units with at least five sites are compared; see the full table.
- Which beaches in Ionian Islands have the best long-term record?
- 125 sites were Excellent in every season from 2015 to 2025, for example AGIA AIKATERINI, AGIA EFTHYMIA, AGIA KYRIAKI. See the ranking.
- Which places in Ionian Islands have the most official bathing waters?
- Kontokáli (12, 100% Excellent), Argostólion (9, 100% Excellent), Agios Georgis (8, 100% Excellent). See the place table; places are the nearest named settlement to each site.
- Were any bathing waters in Ionian Islands rated Poor?
- No. None was classified Poor in 2025.
- Where do I check whether swimming is allowed today?
- On Greek Bathing Water Profiles (Ministry of Environment and Energy with the regional water directorates). Temporary bans, pollution alerts and closures are published there and on signs at the water, not in the annual EEA class.
Greece overview · All regions of Greece · Corfu destination guide · Bathing season dates
Sources and method
Bathing-water records: European Environment Agency (EEA), data and coordinates reported by Greece, licensed CC BY 4.0. Region and regional unit boundaries: Eurostat NUTS 2024 (© EuroGeographics for the administrative boundaries). Place names: GeoNames (CC BY 4.0). A site belongs to the area that contains its reported coordinates; a site up to 10 km off the generalised coastline is placed in the nearest area of Greece. Counts, shares and rankings are calculated by BathingWaterFinder from the official records.