Bathing water quality in Greater Lisbon, Portugal
Greater Lisbon has 33 official bathing waters in the EEA dataset for the 2025 season (28 coastal, 4 transitional (lagoon/estuary) and 1 river). 66.7% were classified Excellent — 15.3 points below the 82% across Portugal — and 0 were Poor. 20 sites have been Excellent in every season from 2015 to 2025.
Qualidade das águas balneares em Grande Lisboa
Das 33 zonas balneares oficiais da UE em Grande Lisboa, 66,7 % foram «excelente» em 2025; zonas classificadas como «má»: 0.
official bathing waters
Excellent in 2025
Poor in 2025
Map of official bathing waters in Greater Lisbon
Sea, lakes and rivers in Greater Lisbon
| Water type | Sites | Excellent | Good | Sufficient | Poor | Not classified |
|---|---|---|---|---|---|---|
| Coastal | 28 | 20 (71.4%) | 6 | 1 | 0 | 1 |
| Transitional (lagoon/estuary) | 4 | 2 (50%) | 1 | 1 | 0 | 0 |
| River | 1 | 0 (0%) | 1 | 0 | 0 | 0 |
Coastal waters are assessed against stricter bacterial limits than lakes and rivers but are diluted far more; see how the classes are calculated.
Most consistent Excellent sites
20 sites were Excellent in all eleven seasons. Ordered by the length of the unbroken Excellent run ending in 2025.
- ADRAGA 11 seasons
- ALGODIO OU DO NORTE 11 seasons
- AVENCAS 11 seasons
- BALEIA OU DO SUL 11 seasons
- CARCAVELOS 11 seasons
- COXOS 11 seasons
- CRISMINA 11 seasons
- FOZ DO LIZANDRO-MAR 11 seasons
- GRANDE 11 seasons
- GUINCHO 11 seasons
- MAGOITO 11 seasons
- MOITAS 11 seasons
- PAREDE 11 seasons
- PORTO DA CALADA 11 seasons
- RIBEIRA DE ILHAS 11 seasons
- S. JULIÃO 11 seasons
- S. LOURENÇO 11 seasons
- S. PEDRO DO ESTORIL 11 seasons
- TAMARIZ 11 seasons
- TORRE 11 seasons
- MAÇÃS 10 seasons
- ST. AMARO 10 seasons
Rated Poor in 2025
None of the 33 official bathing waters in Greater Lisbon was classified Poor in 2025.
Changes from 2024 to 2025
Improved (0)
None.
Declined (4)
- AZARUJINHA Excellent → Good
- AZENHAS DO MAR Excellent → Good
- DUQUESA Good → Sufficient
- POÇA Excellent → Good
How Greater Lisbon 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 | 32 | 22 | 68.8% | 0 |
| 2024 | 32 | 25 | 78.1% | 0 |
| 2023 | 31 | 24 | 77.4% | 0 |
| 2022 | 31 | 26 | 83.9% | 0 |
| 2021 | 31 | 28 | 90.3% | 0 |
| 2020 | 31 | 29 | 93.5% | 0 |
| 2019 | 32 | 29 | 90.6% | 0 |
| 2018 | 32 | 30 | 93.8% | 0 |
| 2017 | 32 | 27 | 84.4% | 1 |
| 2016 | 32 | 27 | 84.4% | 0 |
| 2015 | 31 | 23 | 74.2% | 0 |
Places with the most bathing waters in Greater Lisbon
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 | Sites | Excellent | Poor |
|---|---|---|---|
| Ericeira | 6 | 4 (66.7%) | 0 |
| Santo Isidoro | 4 | 4 (100%) | 0 |
| Parede | 4 | 3 (75%) | 0 |
| Estoril | 3 | 1 (33.3%) | 0 |
| Cascais | 3 | 0 (0%) | 0 |
| Carcavelos | 2 | 2 (100%) | 0 |
| Cobre | 2 | 2 (100%) | 0 |
| Ulgueira | 2 | 2 (100%) | 0 |
| Fontanelas | 2 | 1 (50%) | 0 |
All 33 official bathing waters in Greater Lisbon
Grouped by water type, alphabetical within each group. Open a site for its 2015–2025 history, nearby alternatives, weather forecast and the national profile link.
Download all 33 sites as CSV (classes 2015–2025, coordinates, nearest place; EEA data, CC BY 4.0)
Coastal 28 sites · 71.4% Excellent
- ADRAGA · Ulgueira Excellent Excellent 11 seasons in a row
- ALGODIO OU DO NORTE · Ericeira Excellent Excellent 11 seasons in a row
- AVENCAS · Parede Excellent Excellent 11 seasons in a row
- AZARUJINHA · Estoril Good Excellent → Good since 2024
- AZENHAS DO MAR · Fontanelas Good Excellent → Good since 2024
- BAFUREIRA · Parede Not classified
- BALEIA OU DO SUL · Ericeira Excellent Excellent 11 seasons in a row
- CARCAVELOS Excellent Excellent 11 seasons in a row
- CONCEIÇÃO · Cascais Good
- COXOS · Santo Isidoro Excellent Excellent 11 seasons in a row
- CRISMINA · Cobre Excellent Excellent 11 seasons in a row
- DUQUESA · Cascais Sufficient Good → Sufficient since 2024
- FOZ DO LIZANDRO-MAR · Ericeira Excellent Excellent 11 seasons in a row
- GRANDE · Ulgueira Excellent Excellent 11 seasons in a row
- GUINCHO · Cobre Excellent Excellent 11 seasons in a row
- MAÇÃS · Colares Excellent Excellent 10 seasons in a row
- MAGOITO · Fontanelas Excellent Excellent 11 seasons in a row
- MOITAS · Monte Estoril Excellent Excellent 11 seasons in a row
- PAREDE Excellent Excellent 11 seasons in a row
- POÇA · Estoril Good Excellent → Good since 2024
- PORTO DA CALADA · Santo Isidoro Excellent Excellent 11 seasons in a row
- RAINHA (CASCAIS) Good
- RIBEIRA DE ILHAS · Santo Isidoro Excellent Excellent 11 seasons in a row
- RIBEIRA OU DOS PESCADORES · Ericeira Good
- S. JULIÃO · Ericeira Excellent Excellent 11 seasons in a row
- S. LOURENÇO · Santo Isidoro Excellent Excellent 11 seasons in a row
- S. PEDRO DO ESTORIL · Parede Excellent Excellent 11 seasons in a row
- TAMARIZ · Estoril Excellent Excellent 11 seasons in a row
Transitional (lagoon/estuary) 4 sites · 50% Excellent
- CAXIAS Sufficient
- PAÇO D'ARCOS · Paço de Arcos Good
- ST. AMARO · Oeiras Excellent Excellent 10 seasons in a row
- TORRE · Carcavelos Excellent Excellent 11 seasons in a row
River 1 site · 0% Excellent
- FOZ DO LIZANDRO-RIO · Ericeira Good
Compared with other regions in Portugal
| # | Region | Sites | Excellent | Poor |
|---|---|---|---|---|
| 1 | Setúbal Peninsula | 31 | 96.8% | 0 |
| 2 | Azores | 88 | 96.6% | 0 |
| 3 | Oeste e Vale do Tejo | 59 | 93.2% | 0 |
| 4 | Algarve | 109 | 92.7% | 0 |
| 5 | Alentejo | 39 | 89.7% | 0 |
| 6 | Madeira | 61 | 83.6% | 2 |
| 7 | North (Norte) | 120 | 80% | 3 |
| 8 | Greater Lisbon | 33 | 66.7% | 0 |
| 9 | Centre (Centro) | 142 | 59.2% | 7 |
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 Greater Lisbon were rated Excellent in 2025?
- 22 of 33 (66.7%) in the official EEA 2025 classification; 8 were Good, 2 Sufficient and 0 Poor, and 1 had no class. That ranks Greater Lisbon 8 of 9 Portugal regions by Excellent share.
- Which beaches in Greater Lisbon have the best long-term record?
- 20 sites were Excellent in every season from 2015 to 2025, for example ADRAGA, ALGODIO OU DO NORTE, AVENCAS. See the ranking.
- Which places in Greater Lisbon have the most official bathing waters?
- Ericeira (6, 66.7% Excellent), Santo Isidoro (4, 100% Excellent), Parede (4, 75% Excellent). See the place table; places are the nearest named settlement to each site.
- Were any bathing waters in Greater Lisbon rated Poor?
- No. None was classified Poor in 2025.
- Where do I check whether swimming is allowed today?
- On InfoÁgua (APA) (Portuguese Environment Agency (APA)). Temporary bans, pollution alerts and closures are published there and on signs at the water, not in the annual EEA class.
Portugal overview · All regions of Portugal · Bathing waters near Lisbon · Bathing season dates
Sources and method
Bathing-water records: European Environment Agency (EEA), data and coordinates reported by Portugal, licensed CC BY 4.0. Region and area 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 Portugal. Counts, shares and rankings are calculated by BathingWaterFinder from the official records.