Kos is widely known as one of the most accessible and beach-rich islands in Greece. The island offers an impressive variety of coastlines: long sandy beaches with shallow waters, pebbled shores with crystal-clear seas, volcanic landscapes, and secluded coves ideal for quiet escapes.

Choosing the right beach at the right time can completely change your experience. Wind patterns, sun exposure, seasonal crowds, and water temperature all play a role. This guide covers the best beaches in Kos and explains when to visit each one so you can plan smarter, swim better, and avoid unnecessary crowds.

Why Kos Is Perfect for Beach Lovers

Kos is uniquely positioned in the Aegean Sea, offering ideal conditions for beach exploration across much of the year.

Key reasons why Kos stands out:

• Over 290 sunny days annually
• Beaches on both north and south coasts, each with different sea conditions
• Easy road access, most beaches are 10–30 minutes away
• A mix of organized beaches and untouched natural areas
• Calm waters for swimming and windy areas for water sports

Unlike larger islands where reaching beaches can take hours, Kos allows visitors to explore multiple beaches in a single day without stress.

Paradise Beach (Bubble Beach)

Why visit

Paradise Beach, often called Bubble Beach, is one of the most famous beaches in Kos. Its name comes from the small volcanic gas bubbles that rise through the sand under the water, creating a gentle natural massage effect.

The beach features:

• Soft golden sand
• Shallow, calm waters
• Organized areas with sunbeds
• Family-friendly swimming conditions

Best time to visit

• June and September offer warm water without peak crowds
• Early morning in July and August is ideal
• Avoid midday in peak summer if you prefer tranquility

Marmari Beach

Why visit

Marmari Beach stretches along a wide, open coastline and is known for its peaceful atmosphere. It’s perfect for travelers who enjoy long walks along the shore and plenty of space, even during busier months.

Best time to visit

• May and June for calm seas
• September for warm water and fewer visitors

Tigaki Beach

Why visit

Tigaki Beach is especially popular for its shallow waters and wide sandy shore. It’s one of the best beaches for families and for travelers who enjoy swimming without strong waves.

Best time to visit

• Late May to early July
• September to early October

Agios Stefanos Beach

Why visit

Agios Stefanos Beach offers one of the most unique settings on the island, combining ancient ruins with clear blue waters.

Best time to visit

• May and June
• Early September

Mastichari Beach

Why visit

Mastichari Beach is wide, open, and ideal for water sports thanks to consistent winds.

Best time to visit

• June and September for swimming
• July and August afternoons for wind sports

Psalidi Beach

Why visit

Close to Kos Town, Psalidi Beach offers crystal-clear water and excellent snorkeling conditions.

Best time to visit

• Morning hours
• Spring and autumn

Camel Beach

Why visit

A small scenic cove ideal for couples and photography.

Best time to visit

• June and September
• Early morning

Therma Beach (Hot Springs)

Why visit

Natural hot springs flow directly into the sea, offering a unique wellness experience.

Best time to visit

• April to May
• October

Best Time of Year for Beach Hopping in Kos

Spring (April–May)

Quiet beaches and mild temperatures.

Early Summer (June)

Best overall conditions.

Peak Summer (July–August)

Warm sea and lively atmosphere.

Autumn (September–October)

Warm water and fewer crowds.

Where to Stay for Easy Beach Access in Kos

Staying in Kos Town allows easy access to both coasts.

Koasis – Smart Boutique Apartments offers a calm, modern base close to the sea and main roads.

Book your stay at Koasis

Final Thoughts

Kos offers incredible beach diversity. By choosing the right beach at the right time, you can experience the island at its absolute best.