Blue Flag Certified

Tsonia

Northern Aegean, Greece — Excellent water quality

Aegean Sea
39.3675°N, 26.3565°E

Tsonia is a sand-and-shingle beach along Greece's Northern Aegean coast. It holds Blue Flag certification, which means it meets strict standards for water quality, beach management, and environmental care. The beach is open from July 1 to October 31. Entry is free.

Certification Blue Flag 2026 Excellent Water
Experience Sandy Beach Pebble / shingle beach
Practical Free Entry

Plan Your Visit to Tsonia

The key facts before you go

Blue Flag
Certified 2026
FEE annual certification
Water Quality
Excellent
EU Bathing Water Directive
Best Season
April, May, June
Season: 01-07 – 31-10
Location
Municipality of Western Lesvos
35.05 km from Municipality of Western Lesvos
Facilities
Basic facilities
Free entry · Open beach
Family Score
N/A
Based on facilities & safety data

What is Tsonia?

Tsonia is a sand-and-shingle beach along Greece's Northern Aegean coast. It holds Blue Flag certification, which means it meets strict standards for water quality, beach management, and environmental care. The beach is open from July 1 to October 31. Entry is free.

The water here is generally safe for swimming, though you should check any posted safety notices before entering. A refreshment kiosk and fresh drinking water are available on-site. April, May, and June are the best months to visit if you prefer fewer crowds and pleasant weather.

The Blue Flag status is reviewed annually, so standards remain consistent year to year.

It sits alongside other certified beaches in Northern Aegean, part of a broader network of other Blue Flag beaches in Greece certified annually by the Foundation for Environmental Education.

Bathing Water Quality: Excellent — verified under EU Bathing Water Directive standards. Blue Flag certification requires annual water quality monitoring.

Sunrise, Sunset & Beach Direction

Tsonia faces S toward Aegean Sea. The best light for photography and swimming is typically in April, May, June. The beach's orientation determines when it catches direct sun — plan your visit around this to make the most of your time there.

When to Go — Month by Month

Month Air Temp Water Temp Crowds
Jan 9°C 6°C Low
Feb 11°C 8°C Low
Mar 12°C 9°C Low
Apr 15°C 12°C Low
May 20°C 17°C Low
Jun 25°C 22°C Low
Jul 27°C 24°C Med
Aug 27°C 24°C High
Sep 24°C 21°C High
Oct 19°C 16°C Med
Nov 15°C 12°C Low
Dec 11°C 8°C Low
When is the best time to visit Tsonia?

The best time to visit Tsonia is April, May, June. Air temperatures peak around 27.2°C in summer. Peak water temperature reaches 24.2°C in July.

How crowded does Tsonia get?

Like most Blue Flag beaches in Greece, Tsonia sees its highest visitor numbers in July and August. The beach maintains a pleasant atmosphere even in peak season.

Is Tsonia open year-round?

The beach itself is accessible year-round, though staffed facilities including lifeguards typically operate only during the official season (01-07 – 31-10). The Blue Flag is displayed during the certification period only.

Swimming and Beach Life at Tsonia

Is Tsonia safe to swim?

Tsonia is Blue Flag certified, which requires meeting strict bathing water standards set by the EU Bathing Water Directive. Water quality is rated <span class="inline-stat">Excellent</span>. The beach does not have lifeguards stationed on the beach — swim with appropriate caution.

What is the water temperature at Tsonia?

Peak water temperature at Tsonia reaches around <span class="inline-stat">24.2°C</span> in July, making it comfortable for swimming during the summer months. In winter (January), air temperatures average 8.7°C.

What is the beach like at Tsonia?

Tsonia is a sandy beach on the Northern Aegean coast of Greece. The water here is generally safe for swimming, though you should check any posted safety notices before entering. A refreshment kiosk and fresh drinking water are available on-site. April, May, and June are the best months to visit if you prefer fewer crowds and pleasant weather.

Does Tsonia have good facilities?

As a Blue Flag certified beach, Tsonia meets the Foundation for Environmental Education's standards for facilities and services.

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Getting to Tsonia

How do I get to Tsonia by car?

Tsonia is approximately 35.05 km from Municipality of Western Lesvos. 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 Tsonia?

The nearest airport is Athens International Airport "El. Venizelos" (ATH), approximately 265.9 km away.

Can I get to Tsonia by public transport?

Public transport options vary by season. Check local transport authority websites for current bus and train schedules connecting to Municipality of Western Lesvos.

Practical Information

At the Beach
Entry Free — no charge to access the beach
Lifeguards
Disabled Access Contact local authority for details
Showers
Toilets
Official Season 01-07 – 31-10
Beach Type Sandy beach
Sand Pebble / shingle beach
Visiting Information
GPS Coordinates 39.3675°N, 26.3565°E
Water Quality Excellent (EU Bathing Water Directive)
Blue Flag Operator Foundation for Environmental Education (FEE) — Greece

Tsonia FAQ

Is Tsonia suitable for children?

Tsonia is a Blue Flag certified beach in Northern Aegean, Greece. The EU Excellent water quality rating means the water is safe and clean for all swimmers, including children. Blue Flag certification itself requires meeting strict environmental and safety standards that benefit all beach users.

Is Tsonia free to access?

Yes, access to Tsonia is free — there are no entry fees or charges to use the beach. Facilities including beach amenities are typically available during the official season at no charge. The beach is managed by local authorities under the Blue Flag programme.

When is the best time to visit Tsonia?

The best time to visit Tsonia is April, May, June. Water temperature peaks at around 24.2°C in July, which is ideal for swimming. Air temperatures reach 27.2°C in summer. If you prefer quieter conditions, visiting in June or September gives you warm weather with fewer crowds than the July–August peak. The Blue Flag is displayed during the certified season, confirming the beach meets all water quality and safety standards.

What is the water quality at Tsonia?

Tsonia is Blue Flag certified, which requires meeting strict annual water quality standards set by the EU Bathing Water Directive. Water quality is currently rated Excellent. Blue Flag certification is awarded by the Foundation for Environmental Education (FEE) and requires independent water quality monitoring throughout the season. The results are publicly available from the European Environment Agency.

How do I get to Tsonia?

Tsonia is located in Northern Aegean, Greece. It is approximately 35.05 km from Municipality of Western Lesvos. The nearest airport is Athens International Airport "El. Venizelos" (ATH), 265.9 km away. Check local transport authority websites for current public transport schedules. A car is the most flexible option for reaching the beach, particularly outside peak season.

More Blue Flag Beaches in Greece

Achillios
Thessaly, Greece
View Beach Guide
Achladies
Thessaly, Greece
View Beach Guide
Adelianos Kampos A/Aquila Rithymna Beach
Region of Crete, Greece
View Beach Guide

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Elena Papadaki — Aegean & Adriatic Coast Editor

Elena Papadaki covers Blue Flag beaches in Northern Aegean for Zeach.net.

Edited by Arjun Nair, Coastal Research Editor | Updated June 2026