- Akgun Istanbul Hotel
- Arcade Hotel
- Armada Istanbul Old City Hotel
- Arts Hotel Istanbul - Special Class
- Byotell Hotel Istanbul
- Centro WestSide
- Cevahir Hotel Istanbul Asia
- Ciragan Palace Kempinski
- Conrad Istanbul Bosphorus
- Crowne Plaza Istanbul - Florya
- Dedeman Bostanci Istanbul Hotel & Convention Center
- Dedeman Istanbul
- Delta Hotels by Marriott Istanbul West
- Deluxe Golden Horn Sultanahmet Hotel
- DoubleTree by Hilton Istanbul - Sirkeci
- DoubleTree by Hilton Istanbul Topkapi
- Elite World Europe Hotel
- 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 Ipek Palas
- Isg Sabiha Gökçen Airport Hotel
- Istanbul Gonen Hotel
- Istanbul Marriott Hotel Pendik
- Lazzoni Hotel
- Mercure Istanbul Bomonti
- Mercure Istanbul Yesilkoy
- Miracle Istanbul Asia Airport Hotel & Spa
- Mövenpick Istanbul Golden Horn
- 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
- Rox Hotel
- Suadiye Hotel
- Sura Hagia Sophia Hotel
- Swissotel The Bosphorus Istanbul
- Tango Arjaan by Rotana Istanbul Asia
- The G Hotels Istanbul
- The Green Park Bostanci
- The Story Hotel Pera
- Titanic Business Kartal
- Windsor Hotel & Convention Center
- Wow Airport Hotel