Istanbul’s Only Seaside Town with a Marina

Deniz Istanbul is a landmark mixed-use waterfront development located on the European side of Istanbul, offering a fully integrated seaside lifestyle concept that is unmatched in the city. Designed with a horizontal architectural approach, the project combines residential living, marina life, leisure, education, healthcare, and retail within one self-sustained coastal town. With a 1.5 km private coastline and direct access to West Istanbul Marina, Deniz Istanbul redefines luxury living by the sea in Istanbul.

Master-Planned Seaside Living – Architecture & Vision

The master plan of Deniz Istanbul was designed by SOM Architecture, one of the leading architectural studios in the United States, known for shaping iconic urban developments worldwide. The project follows a low-rise, horizontal design philosophy that prioritizes privacy, open views, natural light, and seamless integration with the surrounding sea and green landscapes. This carefully planned urban concept delivers a rare balance between resort-style living and long-term residential comfort.

Residential Options – Villas, Mansions & Apartments

Deniz Istanbul offers a wide range of residential options designed to suit different lifestyles and investment goals: Marina Villas – The Ideal Villa Concept Marina Villas represent the pinnacle of luxury living within the project. Located directly above West Istanbul Marina, these villas enjoy panoramic sea views and come in five different types, including detached and twin villas. Key features include: Duplex-height ceilingsPrivate elevatorsSpacious kitchens and multi-purpose roomsClosed private garagesIndependent staff living quartersSmart home systems (Berker by Hager) allowing full remote control of lighting, climate, and curtainsPremium built-in kitchen appliances by Gaggenau further elevate the living experience.

Mercan Houses – Family-Oriented Horizontal Living

Mercan Houses are designed for residents seeking privacy, space, and a strong connection to nature. The low-rise mansions are positioned within large landscaped gardens, with distances of 25 to 60 meters between buildings, ensuring personal space and uninterrupted views. Apartment options range from 1+1 to 4+1, featuring: Spacious balconies and terracesFloor-to-ceiling windowsSea and garden viewsThoughtful layouts ideal for family living

Amenities & Lifestyle – A Year-Round Resort Experience

Amenities & Lifestyle – A Year-Round Resort Experience Deniz Istanbul is designed to make everyday life feel like a holiday. Residents enjoy access to a comprehensive range of lifestyle facilities, including: Outdoor and indoor swimming poolsFully equipped fitness centerTurkish bath, sauna, and wellness areasTennis and basketball courtsCinema rooms, game rooms, and squash courtsBeach access and water sportsSeaside cafés and restaurantsOrganic market and luxury shopping mallHorse riding clubPrivate school (education up to 12th grade)Private hospital and hotelThis integrated ecosystem ensures convenience, wellness, and leisure without leaving the community.

Marina Life – West Istanbul Marina

At the heart of the project lies West Istanbul Marina, one of only two marinas on Istanbul’s European side, with a capacity of 900 yachts. The marina not only enhances the lifestyle appeal of Deniz Istanbul but also significantly strengthens its long-term investment value, making it a rare coastal real estate opportunity in the city.

Location & Connectivity – Access by Land and Sea

Deniz Istanbul offers exceptional accessibility by both land and sea: Direct access to E5 and TEM highwaysEasy connections to bridges and the Northern Marmara HighwayProximity to Istanbul’s airportsMetrobus access and planned shuttle services to public transportPrivate sea transportation allowing residents to commute by boat and avoid city trafficThis level of connectivity ensures comfort, mobility, and sustained demand.

Developer Profile – Keleşoğlu Holding

Deniz Istanbul is developed by Keleşoğlu Holding, a prestigious Turkish developer founded in 1979. With over 33 completed projects, collaboration with 22 international and local architectural firms, and more than 2.6 million square meters of delivered residential and commercial space, the developer brings proven credibility and long-term vision. Its portfolio includes iconic projects such as Vadistanbul, Ataköy Konakları, Koru Florya, and Deniz Istanbul itself.

Investment Perspective – A Rare Waterfront Asset

Deniz Istanbul stands out as a long-term investment opportunity due to: Unique seaside and marina conceptLimited waterfront supply in IstanbulStrong lifestyle demand from end-usersIntegrated city-within-a-city planningPrestigious developer and master architectIt appeals equally to lifestyle buyers and investors seeking capital appreciation and sustained rental demand.

Nearby Places

• Istanbul Airport: 30 min
• Marmara Park Mall: 4 km
• Medilife Hospital: 3 km
• Marina Beylikdüzü: 1 km