Sereia
Setúbal, Portugal: Excellent water quality
Sereia is a coastal beach in Setúbal, Portugal, 3.07 km from Costa da Caparica. The beach holds a Blue Flag award, meeting strict standards for water quality, environmental management, and safety. It's open throughout its designated season, though swimmers should take appropriate caution. Drinking water…
Quick Overview
Plan Your Visit to Sereia
The key facts before you go
About the Beach
What is Sereia?
Sereia is a coastal beach in Setúbal, Portugal, 3.07 km from Costa da Caparica. The beach holds a Blue Flag award, meeting strict standards for water quality, environmental management, and safety. It's open throughout its designated season, though swimmers should take appropriate caution. Drinking water is available on-site. May, June, and September offer the best conditions, while July and August see the heaviest crowds. The Blue Flag certification means the water and facilities meet consistent quality standards.
It sits alongside certified beaches along Setúbal, part of a broader network of certified beaches throughout Portugal certified annually by the Foundation for Environmental Education.
Sunrise, Sunset & Beach Direction
Sereia faces east toward Atlantic Ocean. The best light for photography and swimming is typically in May, June, September. Direct sun hours follow that facing.
Planning
When to Go: Month by Month
| Month | Air Temp | Water Temp | Crowds |
|---|---|---|---|
| Jan | 11°C | 8°C | Low |
| Feb | 13°C | 10°C | Low |
| Mar | 14°C | 11°C | Low |
| Apr | 15°C | 12°C | Low |
| May | 18°C | 15°C | Med |
| Jun | 20°C | 17°C | Med |
| Jul | 22°C | 19°C | High |
| Aug | 22°C | 19°C | High |
| Sep | 21°C | 18°C | Med |
| Oct | 19°C | 16°C | Low |
| Nov | 15°C | 12°C | Low |
| Dec | 13°C | 10°C | Low |
The best time to visit Sereia is May, June, September. Air temperatures peak around 22.1°C in summer. Peak water temperature reaches 19.1°C in July.
How crowded does Sereia get?Like most Blue Flag beaches in Portugal, Sereia sees its highest visitor numbers in July and August. The beach maintains a pleasant atmosphere even in peak season.
Is Sereia open year-round?The beach itself is accessible year-round, though staffed facilities including lifeguards typically operate only during the official season (typically July–September). The Blue Flag is displayed during the certification period only.
The Water
Swimming and Beach Life at Sereia
Is Sereia safe to swim?Sereia is Blue Flag certified, which requires meeting strict bathing water standards set by the EU Bathing Water Directive. Water quality is rated Excellent. The beach does not have lifeguards stationed on the beach. Swim with appropriate caution.
What is the water temperature at Sereia?Peak water temperature at Sereia reaches around 19.1°C in July, making it comfortable for swimming during the summer months. In winter (January), air temperatures average 11.4°C.
What is the beach like at Sereia?Sereia on the Setúbal coast of Portugal. It meets all Blue Flag criteria for environmental management, water quality, safety, and facilities.
Does Sereia have good facilities?As a Blue Flag certified beach, Sereia meets the Foundation for Environmental Education's standards for facilities and services.
Sereia sits on the Atlantic Ocean: explore all Blue Flag beaches on the Atlantic.
Planning a trip to Portugal? Blue Flag Beaches Portugal , our editorial guide to certified beaches across the country.
Transport
Getting to Sereia
How do I get to Sereia by car?Sereia is approximately 3.07 km from Costa da Caparica. Follow local road signs to the beach. Check Google Maps or a local map for the most current directions.
What is the nearest airport to Sereia?The nearest airport is Faro Airport (FAO), approximately 209.3 km away.
Can I get to Sereia by public transport?Public transport options vary by season. Check local transport authority websites for current bus and train schedules connecting to Costa da Caparica.
Nearby
Near Sereia
Mapped toilets, bus stops, cafés, parking, and shops within about 500 m of Sereia. Distances are walking-line estimates from the beach pin.
Map loads when you ask. Tiles stay off the first paint.
Map: OpenStreetMap (ODbL)
Cafés near Sereia
- Grão D'Areia Restaurant 298 m
- Pelicano Restaurant 371 m
Parking near Sereia
- Parking Parking 156 m
- Parking Parking 289 m
- Parque Praia da Rainha Parking 380 m
Source: © OpenStreetMap contributors (ODbL). Names and positions come from mapped OSM features. Confirm on site.
Practical Details
Practical Information
| At the Beach | |
| Entry | Free: no charge to access the beach |
|---|---|
| Lifeguards | ✗ |
| Showers | ✗ |
| Toilets | ✗ |
| Beach Type | Coastal beach |
| Visiting Information | |
| GPS Coordinates | 38.6192°N, 9.2197°W |
| Water Quality | Excellent (EU Bathing Water Directive) |
| Blue Flag Operator | Foundation for Environmental Education (FEE), Portugal |
Frequently Asked Questions
Sereia FAQ
Is Sereia suitable for children?
Sereia is Blue Flag certified in Portugal, which requires meeting strict standards for water quality, safety, and facilities. Families should check current facility status with the local beach operator before visiting.
Is Sereia free to access?
Access to Sereia is free. There are no entry fees to enter the beach. It is a Blue Flag certified beach in Setúbal, Portugal, recognised for meeting international standards for water quality and environmental management.
When is the best time to visit Sereia?
The best time to visit Sereia is May, June, September. The peak season typically runs High season: July, August, when weather conditions and facilities are at their best. Peak water temperature reaches around 19.1°C in July. Outside peak season, the beach is quieter but some facilities may be reduced.
What is the water quality at Sereia?
Sereia is Blue Flag certified, which requires meeting strict EU Bathing Water Directive standards. Water quality is rated Excellent. Blue Flag certification is awarded and reviewed annually by the Foundation for Environmental Education (FEE). Beaches must pass water quality tests throughout the season to retain their status.
How do I get to Sereia?
Sereia is located in Setúbal, Portugal. It is approximately 3.07 km from Costa da Caparica. The nearest airport is Faro Airport (FAO), 209.3 km away. By car is the most flexible option. Check local transport authority websites for current bus and train schedules to the area.
Are there cafés near Sereia?
Yes. OpenStreetMap lists 2 cafés or restaurants near Sereia, including Grão D'Areia (298 m) and Pelicano (371 m). Hours and seasonal opening are not verified here. Check on the day. © OpenStreetMap contributors (ODbL).
Is there parking near Sereia?
Yes. OpenStreetMap maps parking 156 m from Sereia, with 3 lots or spaces inside about 500 m. Charges and time limits are not recorded here. © OpenStreetMap contributors (ODbL).
Explore More
Nearby Blue Flag Beaches
Editorial
From the Zeach Blog
Everything you need to know about what makes a beach qualify for Blue Flag status, from water quality to environmental education.
Read moreOur editorial team's pick of the standout Blue Flag beaches in Portugal, rated for family friendliness, scenery, and facilities.
Explore PortugalWhat the flag actually means, how certification works, and why a Blue Flag is a genuinely reliable signal, not just a marketing tool.
Read moreSources
- Foundation for Environmental Education: Blue Flag programme
- FEE site listing for Sereia
- ABAE (Associação Bandeira Azul da Europa)
- European Environment Agency: bathing water quality
Last verified September 2026. National operator pages and FEE listings are the primary certification sources.