Giosonas
Northern Aegean, Greece — Excellent water quality
Giosonas is a beach in Northern Aegean, Greece, with a Blue Flag award that certifies its water quality, environmental standards, and safety measures. The beach is open year-round, though May, June, and September offer the best conditions with fewer crowds. July and August are peak…
Quick Overview
Plan Your Visit to Giosonas
The key facts before you go
About the Beach
What is Giosonas?
Giosonas is a beach in Northern Aegean, Greece, with a Blue Flag award that certifies its water quality, environmental standards, and safety measures. The beach is open year-round, though May, June, and September offer the best conditions with fewer crowds. July and August are peak season. Check local water safety conditions before swimming.
The Blue Flag is awarded annually by the Foundation for Environmental Education, so families and swimmers can rely on consistent standards here.
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.
Sunrise, Sunset & Beach Direction
Giosonas faces S toward Aegean Sea. The best light for photography and swimming is typically in May, June, September. The beach's orientation determines when it catches direct sun — plan your visit around this to make the most of your time there.
Planning
When to Go — Month by Month
| Month | Air Temp | Water Temp | Crowds |
|---|---|---|---|
| Jan | 10°C | 11°C | Low |
| Feb | 12°C | 12°C | Low |
| Mar | 13°C | 14°C | Low |
| Apr | 16°C | 17°C | Med |
| May | 21°C | 19°C | Med |
| Jun | 25°C | 23°C | Med |
| Jul | 27°C | 25°C | High |
| Aug | 27°C | 26°C | High |
| Sep | 24°C | 23°C | Med |
| Oct | 20°C | 20°C | Low |
| Nov | 16°C | 17°C | Low |
| Dec | 12°C | 13°C | Low |
The best time to visit Giosonas is May, June, September. Air temperatures peak around 26.9°C in summer. Peak water temperature reaches 25.4°C in July.
How crowded does Giosonas get?Like most Blue Flag beaches in Greece, Giosonas sees its highest visitor numbers in July and August. The beach maintains a pleasant atmosphere even in peak season.
Is Giosonas 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 Giosonas
Is Giosonas safe to swim?Giosonas 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 Giosonas?Peak water temperature at Giosonas reaches around <span class="inline-stat">25.4°C</span> in July, making it comfortable for swimming during the summer months. In winter (January), air temperatures average 10.4°C.
What is the beach like at Giosonas?Giosonas on the Northern Aegean coast of Greece. The Blue Flag is awarded annually by the Foundation for Environmental Education, so families and swimmers can rely on consistent standards here.
Does Giosonas have good facilities?As a Blue Flag certified beach, Giosonas meets the Foundation for Environmental Education's standards for facilities and services. Showers are available.
Giosonas sits on the Aegean Sea — explore all Blue Flag beaches on the Aegean.
Planning a trip to Greece? How Greece earns the most Blue Flags — our editorial guide to certified beaches across the country.
Transport
Getting to Giosonas
How do I get to Giosonas by car?Giosonas is approximately 20.9 km from Chios Municipality. 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 Giosonas?The nearest airport is Athens International Airport "El. Venizelos" (ATH), approximately 200.8 km away.
Can I get to Giosonas by public transport?Public transport options vary by season. Check local transport authority websites for current bus and train schedules connecting to Chios Municipality.
Practical Details
Practical Information
| At the Beach | |
| Entry | Free — no charge to access the beach |
|---|---|
| Lifeguards | ✗ |
| Disabled Access | Contact local authority for details |
| Showers | ✓ Available during season |
| Toilets | ✗ |
| Beach Type | Coastal beach |
| Visiting Information | |
| GPS Coordinates | 38.5634°N, 26.0802°E |
| Water Quality | Excellent (EU Bathing Water Directive) |
| Blue Flag Operator | Foundation for Environmental Education (FEE) — Greece |
Frequently Asked Questions
Giosonas FAQ
Is Giosonas suitable for children?
Giosonas is a Blue Flag certified beach in Northern Aegean, Greece. Shower facilities are available. 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 Giosonas free to access?
Yes, access to Giosonas is free — there are no entry fees or charges to use the beach. Facilities including showers 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 Giosonas?
The best time to visit Giosonas is May, June, September. Water temperature peaks at around 25.4°C in July, which is ideal for swimming. Air temperatures reach 26.9°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 Giosonas?
Giosonas 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 Giosonas?
Giosonas is located in Northern Aegean, Greece. It is approximately 20.9 km from Chios Municipality. The nearest airport is Athens International Airport "El. Venizelos" (ATH), 200.8 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.
Explore More
More Blue Flag Beaches in Greece
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.
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