At a Glance — Alteirinhos, Portugal

Is Alteirinhos, Portugal Blue Flag certified? Blue Flag Certified — FEE-accredited, audited annually for water quality, facilities, safety, and environmental education.
What does it cost to enter Alteirinhos, Portugal? Free No entry fee.
When is Alteirinhos, Portugal open? Beach season runs 1 Jun to 30 Sep. Best months: May, June, September.
Is Alteirinhos, Portugal safe for swimming? Lifeguards On Duty Lifeguards are stationed during beach hours. Always check safety flags before entering the water.
Does Alteirinhos, Portugal have facilities for disabled visitors? Facilities for visitors with disabilities may be limited — contact the beach management for up-to-date accessibility information.
What facilities are at Alteirinhos, Portugal? Toilets Showers Parking Lifeguards Sandy Beach
What is the best time to visit Alteirinhos, Portugal? May, June May, June, September offer the best conditions.

About Alteirinhos, Portugal

"It´s a natural beach, sheltered by the high cliffs, it´s shore is narrow but long cross by a natural waterline; the access is by stairway."

The Blue Flag programme is run by the Foundation for Environmental Education (FEE) and is one of the world's most recognised voluntary eco-labels. Alteirinhos, Portugal holds current Blue Flag certification, meeting the programme's 33 annual criteria for water quality, safety, and environmental management. The beach is managed by Odemira.

On-site facilities include public toilets, freshwater showers, nearby parking, a beach kiosk, and trained lifeguard supervision during the season. Entry to Alteirinhos, Portugal is free of charge.

Stretching for around 160 metres it offers excellent natural conditions for privacy Available public toilets, parking, and surveillance during bathing season.

Verify Blue Flag certificate for Alteirinhos, Portugal → · Official beach website →

What Visitors Say About Alteirinhos, Portugal

Note: The visitor experiences below are drawn from publicly available travel community discussions and visitor feedback. Beach conditions, facilities, and experiences can change over time. Always verify current conditions directly with local beach management before visiting.

What Visitors Love

Clean Sandy Shore: Visitors praise the well-maintained sandy beach at Alteirinhos. Blue Flag certification requires regular water quality testing and daily beach cleanliness checks.
Lifeguard Supervised: Alteirinhos provides trained lifeguard cover during the main beach season — a core requirement for Blue Flag certification and reassuring for families.
Full On-Site Facilities: Both toilet facilities and freshwater showers are available on-site, meeting the hygiene standards required for Blue Flag status.
Convenient Parking: Parking is available near Alteirinhos, making it easy to visit with families or anyone travelling with beach equipment.

Honest Drawbacks

Seasonal Access: Blue Flag facilities and lifeguard cover operate from 1 Jun to 30 Sep. Services may be reduced outside the main season.

Best Time to Visit Alteirinhos, Portugal

Alteirinhos, Portugal sees its best conditions in May, June, September. The beach season officially runs from 1 Jun to 30 Sep.

MonthAvg TempCrowdsRatingVerdict
January 12°C Low Quiet — relaxed visit
February 12°C Low Quiet — relaxed visit
March 14°C Low Quiet — relaxed visit
April 15°C Low Quiet — relaxed visit
May 18°C Medium Medium
June 20°C Medium Medium
July 21°C High Popular — expect crowds
August 22°C High Popular — expect crowds
September 21°C Medium Medium
October 19°C Low Quiet — relaxed visit
November 15°C Low Quiet — relaxed visit
December 13°C Low Quiet — relaxed visit

How to Get to Alteirinhos, Portugal

Nearest Airport

Alentejo Air Park (Closed) — 7.42 km away.

Parking

Parking is available near Alteirinhos, Portugal. Check current availability on arrival.

On Alteirinhos, Portugal

The southernmost section of the beach is classified as a nudist beach. Stretching for around 160 metres it offers excellent natural conditions for privacy Available public toilets, parking, and surveillance during bathing season.

As a Blue Flag certified beach, Alteirinhos, Portugal undergoes regular bathing water quality testing throughout the season. The FEE Blue Flag programme requires that test results are displayed at the beach and that all certified beaches meet the EU Bathing Water Directive (or equivalent national standard).

Practical Information — Alteirinhos, Portugal

Entry FeeFree — no entry charge.
Season1 Jun to 30 Sep
LifeguardsYes — on duty during beach hours.
ToiletsPublic toilets available.
ShowersShower facilities available.
ParkingParking available nearby.
AccessibilityAccessibility facilities may be limited — verify with local management.
Beach TypeSandy beach.
FacingS-facing — S.
Coordinates37.51835° N, -8.78932° E
Managed byOdemira
CertificationBlue Flag (FEE)

Frequently Asked Questions — Alteirinhos, Portugal

Yes — Alteirinhos, Portugal holds Blue Flag certification from the Foundation for Environmental Education (FEE). The Blue Flag programme evaluates beaches against 33 criteria each year, covering bathing water quality, environmental management, safety infrastructure, and environmental education. You can verify the certificate on the official Blue Flag website.
Yes, Alteirinhos, Portugal is free to enter with no admission charge.
The best time to visit Alteirinhos, Portugal is May, June, September, when the beach is in full season. The official beach season runs from 1 Jun to 30 Sep.
The nearest airport is Alentejo Air Park (Closed), approximately 7.42 km away. Parking is available at or near the beach.
Alteirinhos, Portugal provides: public toilet facilities, showers, parking, lifeguard supervision. As a Blue Flag beach, it meets all required standards for safety, hygiene, and environmental management.

Page & Location Information ✓ Schema.org Structured Data

Name Alteirinhos, Portugal
Coordinates 37.51835° N, -8.78932° E
Managed byOdemira
CertificationBlue Flag (FEE)
AuthorCarlos Mendoza, Zeach Editorial Team
Last ReviewedMarch 2026