Your personal cocoon by the Golden Horn
The feel of elevated comfort through highly customizable rooms and suites that will be your personal cocoon in the midst of Istanbul.
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Welcome to our Casthouse Building
Casthouse exudes quiet grandeur, its interiors marrying lofty ceilings and aged stone with modern refinement. From serene chambers to grand two-story terrace suites with open fireplaces and private gardens, each space whispers history with a contemporary voice.

Atrium Chambre
Positioned at the heart of the Casthouse, Atrium Chambre offers a warm and open ambiance ideal for stays with loved ones. With the option to connect to neighboring rooms and suites, it becomes a customizable haven, whether you’re gathering or retreating.

Lumière Chambre
A space for reflection and ease, Lumière Chambres are defined by natural stone, lofty ceilings, and quiet charm. Hidden away behind the Casthouse building, they offer the intimacy of a tucked-away retreat, complete with soft light and curated calm.

Lumière Suite
Effortless views meet tactile elegance in the Lumière Suite. With time-worn stone, contemporary lines, and French balconies that frame the Golden Horn, this is a space designed for quiet contemplation and sunset reverie.

Véranda Suite
Spacious and versatile, the Véranda Suite opens into a private garden with towering ceilings and open-air fireplaces. The design is generous in both space and intention—offering direct access to the rhythm of the Swim Club, or when combined with adjacent rooms, transforming into a villa all your own.

Terrasse Suite
Occupying the top levels of the Casthouse, the Terrasse Suite invites you to breathe. A private outdoor terrace opens to golden light and fresh air—perfect for morning rituals or moonlit reflections. It’s a space made for slowing down.