10 Best Beaches in the Marmara Region to Visit Before Summer Ends

05.09.2025 - 14:01

The Marmara Region is not only Turkey's industrial and commercial hub, but it is also a region offering a wide variety of beach options during the summer months, thanks to its diverse coastal towns, historical fabric, and easy accessibility. From tranquil coves just a few hours' drive from Istanbul to islands and long sandy beaches, there are numerous alternatives available. Discovering the top 10 beaches in the Marmara Sea without missing out on your summer holiday opportunity makes for a great guide for both day trips and weekend getaways. So, what are the best beaches in Turkey's Marmara Region? What are the best beaches in Istanbul? And where to swim near Istanbul? Let's explore the blue excellence of the Marmara Sea!

1. Kilyos – Istanbul's Coastal Getaway

Located in the north of Istanbul, near the intersection of the Black Sea and the Sea of Marmara, Kilyos is one of the city's most popular coastal destinations during the summer season, thanks to its wide beaches and well-organised beach club facilities. Being accessible within approximately 30 to 60 minutes from the city centre makes it particularly appealing on weekends. It is easily accessible by private vehicle via the TEM motorway or the coastal road; for those preferring public transport, metro and bus connections are available. In addition to sunbathing and swimming, activities such as windsurfing, kitesurfing and summer concerts add colour to the season in Kilyos. You can spend the whole day at the beach facilities throughout the summer and round off the day with an evening stroll along the shore.

2. Ağva – Peace Where River Meets Sea

Ağva, located in the Şile district of Istanbul, is one of the rare coastal towns that offers both sea and nature enjoyment thanks to its unique geography, surrounded by both the Göksu and Yeşilçay rivers. It is approximately an hour and a half's drive from Istanbul and can also be reached by public transport via buses and minibuses departing from Üsküdar. Ağva's beach is ideal for those seeking to cool off in the summer months, while the restaurants and cafes along the river offer a peaceful atmosphere in the evening. Activities such as canoeing and sea biking on the river, exploring the surrounding bays by boat, and nature walks are among the highlights of this area.

3. Şile – Wide Beaches and Historical Fabric

Şile is one of Istanbul's most well-known summer resorts. Located an hour's drive from the city, Şile features wide beaches, particularly Ağlayankaya and Uzunkum. The beaches, regularly maintained by the municipality, offer lifeguard services, showers, changing rooms, and cafés. Şile Lighthouse and Ocaklı Ada Castle offer interesting routes for those who want to turn their beach fun into a cultural excursion. In the summer evenings, the fish restaurants and cafes stretching along the coast are ideal for sampling local flavours and watching the sunset.

4. Princes' Islands – Büyükada, Heybeliada, Burgazada, Kınalıada

Easily accessible by ferry from Istanbul, the Princes' Islands combine the tranquillity of car-free living with a day spent in the shade of historic mansions. Reached in under an hour via regular services from piers such as Kabataş, Kadıköy, and Bostancı, the islands offer clean, peaceful beaches alongside enjoyable bike and electric vehicle tours. Options such as Aya Nikola Beach and Naki Bey Beach on Büyükada, Çam Limanı Cove on Heybeliada, and Madam Martha Cove on Burgazada are particularly welcome for Istanbulites seeking relief from the summer heat. After a swim, strolling through the island streets, visiting historic churches, and enjoying seafood by the sea enrich the day.

5. Kerpe – A Nature Getaway with Rocky Landscapes

Kerpe, located in the Kandıra district of Kocaeli, has become a popular summer destination in recent years due to its clean sea, tranquil atmosphere, and natural rock formations. Accessible from Istanbul in about two hours by private vehicle, Kerpe offers unique photo opportunities for enthusiasts with its coves and rocky areas nestled within pine forests. It is an ideal destination for those seeking a day immersed in nature, away from the hustle and bustle of the city. In addition to enjoying the sea, walking along the coast, fishing and taking boat tours are popular activities in the area.

6. Kefken – For Campers and Diving Enthusiasts

Located quite close to Kerpe, Kefken is famous for its clear waters, small islands and camping areas. Boat tours and diving spots organised around Kefken Island in particular attract underwater enthusiasts. It can be reached by minibus or private vehicle from Kandıra centre; direct tours from Istanbul are also organised during the summer season. Setting up camp in quiet coves, taking a walk along the shore at sunrise, and watching the fishing boats return to port in the evening are just a few of the unique experiences Kefken has to offer.

7. Avşa Island – Fun and Island Holidays

Avşa Island, part of Balıkesir, is one of the most well-known summer islands in the Marmara Sea. Accessible from Istanbul by sea bus or by ferry via Bandırma or Erdek, Avşa is particularly known for its lively nightlife and long beaches. Yiğitler Cove, Çınar Cove and Altınkum Beach are the most popular swimming areas. Accommodation options on the island include guesthouses, boutique hotels and apartments. You can enjoy the sea and sun during the day and spend pleasant evenings in the restaurants and cafes lining the coast.

Source: Avşa Adası Tatil Rehberi

8. Marmara Island – The Address of Hidden Bays

Marmara Island is an island accessible by ferry services from Erdek and stands out for its natural beauty. Compared to Avşa, its calmer atmosphere, quiet bays and the warm hospitality of the local people offer an ideal option for those seeking a peaceful summer holiday. Çınarlı Village, Gündoğdu Village and the Saraylar region are delightful stops for those who want to experience both the beaches and island life. Tasting seafood in the fishermen's restaurants, strolling through the island streets and watching the sunset in the tranquil island atmosphere are must-do activities on Marmara Island.

9. Erdek – Traditional Holiday Resort

The Erdek district of Balıkesir, on the coast of the Marmara Sea, has been a popular destination for holidaymakers for many years. Its proximity to Bandırma and regular transport links make it easily accessible from Istanbul. The district centre and surrounding beaches are popular with both families and young people throughout the summer. Taking day trips by boat to Avşa and Marmara Island, strolling along the shore and sampling the day's fresh catch at fish restaurants are essential parts of any holiday in Erdek.

10. Şarköy – Long Beaches and Wine Route

The district of Şarköy in Tekirdağ boasts one of Turkey's longest beaches, stretching 60 kilometres along the western coast of the Marmara Sea. It is approximately a three-hour drive from Istanbul. The Şarköy coast is particularly popular with families with children due to its shallow and relatively calm sea. The vineyards and wine production areas surrounding the district offer a different route for those who want to combine a seaside holiday with gastronomy. After a day of enjoying the sea, you can explore the region's boutique wineries and discover Tekirdağ's famous vineyard culture.

Tips for Planning Your Holiday

When planning a beach holiday on the Marmara Sea, it is important to check ferry timetables in advance; ferry frequency to island destinations may vary depending on the season and weather conditions. Weekends are particularly busy in areas close to Istanbul, so setting off early and booking accommodation in advance will ensure a relaxing holiday experience. The current blue flag status of beaches, entrance fees and safety services can be checked via official announcements from the municipality or relevant businesses.