Giosonas
Northern Aegean, Greece: Excellent water quality
Giosonas is a Blue Flag beach in Northern Aegean, Greece. It is 20.9 km from Chios Municipality. July water temperature is 23.9°C. Nearest airport: Chios Island National Airport (JKH), 25 km. Recorded facilities: showers. The European Environment Agency class for 2025 is Excellent. Earlier seasons:…
Quick Overview
Plan Your Visit to Giosonas
The key facts before you go
About the Beach
What is Giosonas?
Giosonas is a Blue Flag beach in Northern Aegean, Greece. It is 20.9 km from Chios Municipality. July water temperature is 23.9°C.
Nearest airport: Chios Island National Airport (JKH), 25 km. Recorded facilities: showers. The European Environment Agency class for 2025 is Excellent.
Earlier seasons: 2024 Excellent, 2023 Excellent, 2022 Excellent. OpenStreetMap lists Yoso Beach (85 m) within 500 m.
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 south toward Aegean Sea. 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 | 10°C | 16°C | Low |
| Feb | 12°C | 15°C | Low |
| Mar | 13°C | 15°C | Low |
| Apr | 16°C | 16°C | Med |
| May | 21°C | 19°C | Med |
| Jun | 25°C | 22°C | Med |
| Jul | 27°C | 24°C | High |
| Aug | 27°C | 25°C | High |
| Sep | 24°C | 23°C | Med |
| Oct | 20°C | 21°C | Low |
| Nov | 16°C | 19°C | Low |
| Dec | 12°C | 17°C | Low |
When is the best time to visit Giosonas?
The best time to visit Giosonas is May, June, September. Air temperatures peak around 26.9°C in summer. Peak water temperature reaches 23.9°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. The latest official class is Excellent (2025).
Water quality
Excellent (2025)
Earlier seasons: 2024 Excellent, 2023 Excellent, 2022 Excellent.
Excellent is the top class under the EU Bathing Water Directive. Recent samples stayed inside the strictest limits for bacteria.
Source: European Environment Agency
What is the water temperature at Giosonas?
Peak water temperature at Giosonas reaches around 23.9°C 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.
Giosonas sits on the Aegean Sea: explore all Blue Flag beaches on the Aegean.
Planning a trip to Greece? Read Why Greece has 607 Blue Flag beaches.
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 Chios Island National Airport (JKH), approximately 25.0 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.
Nearby
Near Giosonas
Mapped toilets, bus stops, cafés, parking, and shops within about 500 m of Giosonas. 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 Giosonas
- Yoso Beach Café 85 m
Source: © OpenStreetMap contributors (ODbL). Names and positions come from mapped OSM features. Confirm on site.
On the beach
Facilities at Giosonas
- Toilets
- No
- Showers
- Yes
- Parking
- No parking listed nearby
These details can change. Check on arrival.
Practical Details
Practical Information
| At the Beach | |
| Official Season | May – November |
|---|---|
| Beach Type | Coastal beach |
| Nearest supermarket | 3.3 km from the beach |
| Visiting Information | |
| GPS Coordinates | 38.5634°N, 26.0802°E |
| Water Quality | Excellent (2025) (EU Bathing Water Directive) |
| Blue Flag Operator | Foundation for Environmental Education (FEE), Greece |
Frequently Asked Questions
Giosonas FAQ
Is Giosonas suitable for children?
Giosonas has a child-friendly score of 1/10. It is Blue Flag certified in Greece. Families should still check what is open on the day.
Is Giosonas free to access?
An entry fee is not listed for Giosonas. Check with the beach operator before you travel. It is a Blue Flag certified beach in Northern Aegean, Greece, recognised for meeting international standards for water quality and environmental management.
When is the best time to visit Giosonas?
The best time to visit Giosonas 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 23.9°C in July. Outside peak season, the beach is quieter but some facilities may be reduced.
What is the water quality at Giosonas?
Giosonas is Blue Flag certified, which requires meeting strict EU Bathing Water Directive standards. The latest official class is Excellent (2025).
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 Giosonas?
Giosonas is located in Northern Aegean, Greece. It is approximately 20.9 km from Chios Municipality. The nearest airport is Chios Island National Airport (JKH), 25.0 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 Giosonas?
Yes. OpenStreetMap lists a café or restaurant near Giosonas, including Yoso Beach (85 m).
Hours and seasonal opening are not verified here. Check on the day. © 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 Greece, rated for family friendliness, scenery, and facilities.
What 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 Giosonas
- Hellenic Society for the Protection of Nature (EEPF)
Last verified September 2026. National operator pages and FEE listings are the primary certification sources.