- Akgun Istanbul Hotel
- Ansen Hotel and Suites
- Arcade Hotel Istanbul
- Armada Istanbul Old City Hotel
- Arts Hotel Harbiye - Special Class
- Buyukada Cankaya Hotel
- Byotell Hotel Istanbul
- Centro WestSide
- Cevahir Hotel Istanbul Asia
- Ciragan Palace Kempinski Istanbul
- Conrad Istanbul Bosphorus
- Crowne Plaza Istanbul - Florya
- Dedeman Bostanci Istanbul Hotel & Convention Center
- Dedeman Istanbul
- Delta Hotels Istanbul West
- Deluxe Golden Horn Sultanahmet Hotel
- DoubleTree by Hilton Istanbul Sirkeci
- DoubleTree by Hilton Istanbul Topkapi
- Elite World Grand Istanbul Basin Ekspres
- Elite World Grand Istanbul Kucukyali
- Elite World Istanbul Florya
- Euro Park Otel
- Galley Hotel
- Glk Premier Acropol Suites & Spa
- Golden Tulip Istanbul Bayrampasa
- Gorrion Hotel Istanbul
- Hilton Istanbul Bomonti Hotel & Conference Center
- Hilton Istanbul Bosphorus
- Hilton Istanbul Kozyatagi
- Holiday Inn Istanbul - Kadikoy
- Hotel Golden Way Giyimkent
- Hotel Suadiye
- Isg Sabiha Gökçen Airport Hotel
- Istanbul Gonen Hotel
- Istanbul Marriott Hotel Pendik
- Lazzoni Hotel
- Mercure Istanbul Bomonti
- Mercure Istanbul Umraniye
- Mercure Istanbul Yesilkoy
- Miracle Istanbul Asia Airport Hotel & Spa
- Mövenpick Istanbul Golden Horn
- Nobel Hostel Guesthouse
- Novotel Istanbul Karakoy
- Park Inn by Radisson Istanbul Ataturk Airport
- Point Hotel Barbaros
- Pullman Istanbul Hotel & Convention Center
- Radisson Blu Bosphorus Hotel, Istanbul
- Radisson Blu Hotel, Istanbul Asia, Turkey
- Radisson Blu Hotel, Istanbul Sisli
- Ravvda Hotel
- Rox Hotel
- Sura Hagia Sophia Hotel
- Swissotel The Bosphorus Istanbul
- Tango Arjaan by Rotana
- The G Hotels Istanbul
- The Green Park Bostanci
- The Story Hotel Pera
- Titanic Business Kartal
- Windsor Hotel & Convention Center Istanbul