Syros, Aegean, Greece

Posidonia Beach

Posidonia Beach is a popular destination located on the island of Syros. Known for its calm and safe waters, it is a favorite among locals and tourists alike. The beach is small but clean, making it an ideal spot for those seeking a tranquil seaside experience.

Visitors to Posidonia Beach can enjoy the sight of the sunset, which is considered one of the best on the island. The beach is not typically overcrowded, even during the peak summer months of July. However, it can get a bit busy on weekends, so early arrival is recommended.

Find the ideal place to stay near Posidonia Beach and experience the tranquility of its calm waters and renowned sunsets.

Amenities at Posidonia Beach include free umbrellas, which are available on a first-come, first-served basis. There are also nearby establishments that offer food and services, adding to the convenience of the beach experience.

What to do at Posidonia Beach?

Amenities

Posidonia Beach amenities include loungers.

Restaurants

You can enjoy one of the restaurants at the beach while soaking up the sun.

Visitor Reviews

Visitor reviews highlight the beach's calm and safe waters as a major attraction, with some even considering it one of the best beaches on the island. The opportunity to watch beautiful sunsets and the availability of free umbrellas were also appreciated. However, some visitors noted that the beach can get a little busy at times.

Where to Stay near Posidonia Beach?

Visitors often stay in the nearby area of Posidonia, which offers several accommodations within walking distance to the beach. Many also choose to stay in the town of Ermoupoli and visit Posidonia Beach as part of their exploration of Syros, enjoying both the beach and the cultural attractions of the island.

The following map shows available accommodations and their prices. See the full list of accommodation options here.

Where is Posidonia Beach?

Latitude: 37.389605 / Longitude: 24.8846554

Posidonia Beach is located in Syros. The following map of Posidonia Beach shows the exact location.


Nearby destinations:

Posidonia Beach: Weather Today

📅 Friday, July 24, 2026
Today is a mixed bag for a beach trip to Posidonia Beach, making it an average day at best. While the air temperature will reach 28.5 °C and the water is a pleasant 25.5 °C, the occasional light rain showers might disrupt your plans. With a UV Index of 8.2, you definitely need to prioritize sun protection throughout the day. The breeze remains gentle, although some sudden bursts of air could occur, and the water will have a light, rhythmic motion. Given the chance of passing showers, it is wise to keep an eye on the sky, but if you do not mind the potential for a brief sprinkle, the warm water is inviting for a swim.
🌬️

Air

Low / High23.7°C/28.5°C
Feels Like (High)29.1°C
🌊

Sea

Sea Temperature25.5 °C
Wave Height0.6 m
🌧️

Rain

Rain Chance50%
Rainfall0.3 mm
Rain Duration1 h
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Sun

Sunrise / Sunset06:18/20:35
Sunshine Hours11.0 hrs
UV Index8.2
Cloud Cover50%
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Wind

Speed14.7 km/h
Gusts25.6 km/h
DirectionN

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