- 10 Karakoy Istanbul
- Ac Hotel Istanbul Macka
- Ada Hotel Istanbul
- Ada Karakoy Hotel - Special Category
- Adahan Decamondo Pera, Autograph Collection
- Adamar Hotel - Special Class
- Ag Sisli Hotel
- Agora Boutique Hotel & Bistro
- Agora Guesthouse
- Agora Life Hotel - Special Class
- Air Boss Istanbul Airport and Fair Hotel
- Akgun Hotel Beyazit
- Akgun Istanbul Hotel
- Albatros Hagia Sophia Hotel
- Albatros Premier Hotel
- Aldem Hotel
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- Almina Hotel - Special Class
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- Amiral Palace Hotel Boutique Class
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- Antique Hostel & Guesthouse
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- Arena Hotel Istanbul
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- Armagrandi Spina Hotel-Special Category
- Art City Hotel Istanbul
- Artefes Hotel Old City
- Arts Hotel Istanbul - Special Class
- Arts Hotel Taksim
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- Asmali Hotel
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- Asur Hotel
- Atik Palace Hotel
- Avantgarde Hotel Taksim
- Avantgarde Levent Hotel - Boutique Class
- Avcilar Inci Hotel
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- Aybar Hotel & Spa
- Aydinoglu Hotel
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- Bahaus Guesthouse Hostel
- Balin Hotel - Special Category
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- Bella Vista Hostel
- Belle Maison Hotel&Residence
- Bentley Hotel Bosphorus - Special Class
- Bereket Apart Hotel
- Berjer Boutique Hotel & Spa
- Berlin Hotel Nisantasi
- Best Nobel Hotel
- Best Nobel Hotel 2
- Best Western Empire Palace
- Beyoglu Huzur Hotel
- Birlik Apart Hotel
- Biz Cevahir Hotel Sultanahmet
- Blisstanbul Hotel
- Blue Istanbul Hotel
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- Blue Istanbul Suites
- Blueway Hotel Historical
- Bof Hotels Ceo Suites Atasehir
- Boutique Saint Sophia
- Bricks Hotel Istanbul
- Bucoleon by Cheers
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- Burgu Arjaan by Rotana
- Byotell Hotel Istanbul
- CVK Park Bosphorus Hotel Istanbul
- CVK Taksim Hotel Istanbul
- Carlton Hotel
- Cartoon Hotel
- Celal Sultan Hotel Special Class
- Cevahir Hotel Istanbul Asia
- Cheers Hostel
- Cheers Lighthouse
- Cheers Midtown Hostel
- Cheers Vintage Hostel
- Chillout Lya Hostel & Lounge
- Cihangir Hotel
- Ciragan Palace Kempinski
- City Center Hotel Taksim
- Cityloft 81
- Clarion Hotel Golden Horn
- Clarion Hotel Istanbul Mahmutbey
- Collage Pera Hotel
- Comfort Elite Hotels Old City
- Concept Nisantasi Hotels & Spa
- Conrad Istanbul Bosphorus
- Corinne Art & Boutique Hotel
- Crowne Plaza Istanbul - Asia
- Crowne Plaza Istanbul - Florya
- Crowne Plaza Istanbul - Harbiye
- Crowne Plaza Istanbul - Old City
- Crowne Plaza Istanbul - Oryapark
- Cuento Hotel
- Darkhill Hotel
- Daru Sultan Hotels Galata
- Darussaade Istanbul Hotel
- Dedeman Bostanci Istanbul Hotel & Convention Center
- Dedeman Istanbul
- Delta Hotel Istanbul
- Delta Hotels By Marriott Istanbul Levent
- Delta Hotels by Marriott Istanbul West
- Deluxe Golden Horn Sultanahmet Hotel
- Deluxe Newport Hotel
- Dencity Hotels & Spa
- Derpa Suite Hotel Osmanbey
- Dersaadet Hotel Istanbul
- Diamond Royal Hotel
- Dila Hotel
- Dilhayat Kalfa Hotel
- Divalis Hotel
- Divan Istanbul
- Divan Istanbul City
- Divani Ali Hotel
- Divas Hotel
- Diyar Hotel
- Dosso Dossi Hotels & Spa Downtown
- Dosso Dossi Hotels & Spa Golden Horn
- Dosso Dossi Hotels Old City
- DoubleTree by Hilton Istanbul - Avcilar
- DoubleTree by Hilton Istanbul - Moda
- DoubleTree by Hilton Istanbul - Old Town
- DoubleTree by Hilton Istanbul - Piyalepasa
- DoubleTree by Hilton Istanbul - Sirkeci
- DoubleTree by Hilton Istanbul Topkapi
- DoubleTree by Hilton Istanbul Umraniye
- Edition Old City Hotel
- Elasophia Hotel
- Elemet Taksim Suites
- Elite Marmara Gungoren
- Elite World Comfy Istanbul Taksim
- Elite World Europe Hotel
- Elite World Istanbul Florya
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- Emir Hotel
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- Enderun Hotel Istanbul
- Endless Suites Taksim
- Erbazlar Hotel
- Erboy Hotel Istanbul
- Erenler Hotel & Hostel
- Eresin Hotels Sultanahmet - Boutique Class
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- Ersari Hotel
- Erten Konak
- Euro Park Otel
- Eurostars Hotel Old City
- Express Inci Airport Hotel
- Fairmont Quasar Istanbul
- Faros Hotel Old City - Special Category
- Faros Hotel Taksim
- Fatih Hotel Corner
- Fer Hotel
- Ferman Hilal Hotel
- Ferman Hotel Old City -Special Category
- Ferman Sultan Hotel
- Feronya Hotel
- Four Seasons Hotel Istanbul at Sultanahmet
- Four Seasons Hotel Istanbul at the Bosphorus
- Fraser Place Antasya Istanbul
- Fraser Place Anthill Istanbul
- Fuar Hotel
- Fuat Pasa Yalisi - Special Category Bosphorus
- GLK PREMIER Regency Suites & Spa
- Galata Antique Hotel
- Galley Hotel
- Garden House Hotel - Special Class
- Gen Suites
- Georges Hotel Galata
- Germir Palas Hotel - Special Class
- Gezi Hotel Bosphorus, Istanbul, a Member of Design Hotels
- Gk Regency Suites Hotel
- Glamour Hotel Istanbul Sirkeci
- Glk Premier Sea Mansion Suites & Spa
- Golden Age Hotel Taksim
- Golden Ak Marmara Hotel
- Golden Gate Hotel Old City
- Golden Horn Hotel - Special Class
- Golden Horn Istanbul Hotel
- Golden Lounge Hotel
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- Golden Tulip Istanbul Bayrampasa
- Gorrion Hotel Istanbul
- Grand Anka Hotel
- Grand Aras Hotel & Suites
- Grand As Hotel
- Grand Bazaar Hotel
- Grand Beyazit Hotel Old City
- Grand Cevahir Hotel Convention Center
- Grand Esen Hotel
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- Grand Hotel De Pera
- Grand Hotel Gulsoy
- Grand Hotel Halic
- Grand Hotel Palmiye
- Grand Hyatt Istanbul
- Grand Istanbul Airport Hotel
- Grand Palace Hotel
- Grand Peninsula Hotel
- Grand S Hotel
- Grand Star Hotel Bosphorus
- Grand Unal Hotel
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- Grand Yavuz Hotel
- Great Fortune Hotel & Spa
- Green Anka Hotel
- Gulhane Corner Hotel
- Gulhanepark Hotel & Spa
- Gunes Hotel Merter
- HHK Hotel
- Halifaks Hotel
- Hamit Hotel
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- Hampton by Hilton Istanbul Atakoy
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- Hampton by Hilton Istanbul Kurtkoy
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- Han Hotel
- Hanchi Hostel
- Hanedan Hotel
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- Hilton Garden Inn Istanbul Ataturk Airport
- Hilton Garden Inn Istanbul Beylikduzu
- Hilton Istanbul Bomonti Hotel & Conference Center
- Hilton Istanbul Bosphorus
- Hilton Istanbul Kozyatagi
- Hilton Istanbul Maslak
- Hippodrome Hotel
- Holiday Inn Express Istanbul - Altunizade
- Holiday Inn Istanbul - Kadikoy
- Holiday Inn Istanbul - Sisli
- Holiday Inn Istanbul City
- Honey Hotel
- Hotel Agan
- Hotel Akcinar
- Hotel Amira Istanbul
- Hotel Antique
- Hotel Arcadia Blue Istanbul
- Hotel Bazaar
- Hotel Black Tulip
- Hotel Broken Column
- Hotel Bulvar Palas
- Hotel Buyuk Hamit
- Hotel California
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- Hotel Emirhan Palace
- Hotel Empress Zoe
- Hotel Erguvan - Special Category
- Hotel Evsen
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- Hotel Ibrahim Pasha
- Hotel Ilkay
- Hotel Ipek Palas
- Hotel Kuk
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- Hotel Momento - Special Category
- Hotel Momento Golden Horn
- Hotel Morione & Spa Center
- Hotel Mosaic
- Hotel Nena
- Hotel Nezih Istanbul
- Hotel Niles Istanbul
- Hotel Pera Capitol
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- Hotel Rose Bouquets
- Hotel Saba
- Hotel Santa Hill
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- Hotel Sari Konak
- Hotel Silviya
- Hotel Suadiye
- Hotel Sultanahmet
- Hotel Sultanhill
- Hotel Sultania Boutique Class
- Hotel Tashkonak Istanbul
- Hotel The Pera Hill
- Hotel The Public - Special Category
- Hotel Troya
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- Hotel Venera
- Hotel Yasmak Sultan
- Hotel Yigitalp Istanbul
- Hotel Zurich Istanbul
- Hotellino
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- Hyatt Centric Levent Istanbul
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- Hypnos Design House
- Ibis Istanbul Esenyurt
- Icon Istanbul Hotel
- Idylle Hotel
- Ilkbal Deluxe Hotel & Spa
- Inera Hotel Pendik
- Innova Sultanahmet Istanbul
- Innpera Hotel
- Intercontinental Istanbul, An IHG Hotel
- Isg Sabiha Gökçen Airport Hotel
- Istanbul Comfort Hotel
- Istanbul Dedem Hotel 1
- Istanbul Dora Hotel
- Istanbul Golden City Hotel
- Istanbul Gonen Hotel
- Istanbul Life Hotel
- Istanbul Marriott Hotel Asia
- Istanbul Marriott Hotel Pendik
- Istanbul Marriott Hotel Sisli
- Istanbul My Assos Hotel
- Istanbul Royal Hotel
- Istanbul Sydney Hotel
- Jakaranda Hotel
- Juliet Rooms & Kitchen
- Just Inn Hotel
- Kadikoy Park Suites
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- Kalyon Hotel Istanbul
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- Klas Hotel
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- Kuzen Otel
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- Lady Diana Hotel
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- Lampa Design Hotel-Special Category
- Land Park Hotel
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- Le Méridien Istanbul Etiler
- Le Safran Suite Hotel
- Legacy Ottoman Hotel
- Levanten Hostel
- Levni Hotel & Spa - Special Category
- Limak Eurasia Luxury Hotel
- Lina Hotel Taksim Pera
- Lion Hotel
- Lionel Hotel Istanbul
- Liva Suite Hotel
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- Lotus Hotel
- Luce Di Pera
- Magnificent Hotel
- Manesol Boutique Galata
- Manesol Old City Bosphorus
- Mangana Konak
- Mansion by Cheers
- Marble Hotel
- Marma Congress Hotel Istanbul
- Marmara Place Old City Hotel
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- Martinenz Hotel
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- Mayi Hotel
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- Meddusa Hotel
- Melek Hotels Moda
- Mercure Istanbul Altunizade
- Mercure Istanbul Bomonti
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- Merial Hotel Sultanahmet
- Meroddi Bagdatliyan Hotel
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- Metropolitan Hotels Bosphorus
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- Midtown Hotel
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- Mina Hotel - Special Category
- Minel Hotel
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- Moda Hostel
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- Molton Monapart Mecidiyekoy
- Montagna Hera Hotel
- Mr Cas Hotels - Special Class
- Muyan Suites
- Mövenpick Hotel Istanbul Bosphorus
- Mövenpick Istanbul Golden Horn
- Nagehan Hotel Old City
- Naz City Hotel Taksim
- Nea Suites Old City
- Neda Hotel Istanbul
- Neorion Hotel - Special Class
- New Fatih Hotel
- Nexthouse Pera Hotel
- Nice Royal
- Nidya Hotel Esenyurt
- Nidya Hotel Galataport
- Nippon Hotel
- No11 Hotel & Apartments
- Nordstern Hotel Galata
- Nova Plaza Crystal Hotel & Spa
- Nova Plaza Orion Hotel
- Novotel Istanbul Karakoy
- Novotel Istanbul Zeytinburnu
- Nowy Efendi Hotel - Special Class
- Numi Hotel
- Nuru Ziya Suites
- Oban Suites Istanbul
- Occidental Taksim
- Old City Viva Hotel
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- Orka Taksim Suites & Hotel
- Ottoman Hotel Imperial-Special Category
- Ottoman's Life Hotel Deluxe
- Ottopera Hotel
- P Galata Hotel - Special Category
- Palazzo Donizetti Hotel - Special Class
- Paradise Hotel
- Paris Hotel
- Park Dedeman Bostanci Hotel
- Park Hyatt Istanbul - Macka Palas
- Park Inn by Radisson Istanbul Ataturk Airport
- Park Star Hotel Taksim
- Parmada Hotel
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- Pera Life
- Pera Palace Hotel
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- Pi Home & Apartments
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- Pierre Loti Hotel Old City- Special Category
- Piya Sport Hotel
- Point Hotel Barbaros
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- Port Bosphorus Hotel
- Premist Hotels Sultanahmet
- Prestige Hotel Old City
- Promise Hotel
- Puffin Suites
- Pullman Istanbul Hotel & Convention Center
- Radisson Blu Bosphorus Hotel, Istanbul
- Radisson Blu Hotel & Spa, Istanbul Tuzla
- Radisson Blu Hotel Istanbul Ottomare
- Radisson Blu Hotel, Istanbul Asia, Turkey
- Radisson Blu Hotel, Istanbul Pera
- Radisson Blu Hotel, Istanbul Sisli
- Raffles Istanbul
- Ragip Pasha Apartments
- Ramada By Wyndham Istanbul Taksim
- Ramada Encore by Wyndham Istanbul Bayrampasa
- Ramada Hotel & Suites by Wyndham Istanbul Merter
- Ramada Hotel & Suites by Wyndham Istanbul Sisli
- Ramada Plaza by Wyndham Istanbul Atakoy
- Ramada Plaza by Wyndham Istanbul City Center
- Ramada Plaza by Wyndham Istanbul Tekstilkent
- Ramada by Wyndham Istanbul Alibeykoy
- Ramada by Wyndham Istanbul Florya
- Ramada by Wyndham Istanbul Golden Horn
- Ramada by Wyndham Istanbul Grand Bazaar
- Ramada by Wyndham Istanbul Old City
- Ramada by Wyndham Istanbul Pera
- Rast Hotel Sultanahmet
- Ravvda Hotel
- Raymond Blue Hotel
- Raymond Hotel
- Regard Hotel
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- Renaissance Istanbul Polat Bosphorus Hotel
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- Renata Boutique Hotel Sisli
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- Room Mate Emir
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- Royal Inci Airport Hotel
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- Sahinler Hotel
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- Sarnic Butik Otel
- Sed Hotel
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- Senator Hotel Taksim
- Senatus Hotel - Special Class
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- Seven Dreams Hotel
- Seven Hills Hotel - Special Class
- Seyri Istanbul Hotel
- Shangri-La Bosphorus, Istanbul
- Sheraton Grand Istanbul Atasehir
- Sheraton Istanbul Ataköy Hotel
- Sirkeci Emek Hotel
- Sirkeci Ersu Hotel
- Sirkeci Mansion
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- Sirkeci Quietness Hotel
- Sirma Sultan Hotel
- Skalion Hotel & Spa
- Sogut Hotel Old City
- Soho House Istanbul
- Sokullu Pasa Hotel - Special Class
- Somerset Maslak Istanbul
- Sorriso Hotel
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- Splendid Palace
- Star Holiday Hotel
- Style Hotel Sisli
- Sub Karakoy - Special Category
- Sude Konak
- Sultan Hostel & Guesthouse
- Sultan House
- Sultan Palace Hotel
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- Sultanahmet Palace Hotel
- Sultanhan Hotel - Special Class
- Sultans Royal Hotel
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- Sura Design Hotel & Suites
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- Surmeli Istanbul Hotel
- Swissotel The Bosphorus Istanbul
- TRYP by Wyndham Istanbul Basin Ekspres
- TRYP by Wyndham Istanbul Taksim
- Taba Luxury Suites and Hotel
- Taksim Gonen Hotel
- Taksim Green House Hostel
- Taksim Line Hotel
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- Taksim Nis Hotel
- Taksim Pera Orient Hotel
- Taksim Santa Lucia Hotel
- Taksim Square Hotel
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- Tan Hotel - Special Category
- Tango Arjaan By Rotana
- Taxim Hill Hotel
- Taxim Lounge Hotel Special Category
- Taximist Hotel
- Tempo Hotel 4Levent
- Tempo Suites Airport
- The And Hotel Istanbul - Special Class
- The Artisan Istanbul MGallery
- The Bank Hotel Istanbul, a Member of Design Hotels
- The Biancho Hotel Pera
- The Byzantium Suites Hotel & Spa
- The Central Hotel
- The Central Palace Taksim
- The City Hotel
- The Elysium Taksim
- The Empress Theodora Hotel
- The G Hotels Istanbul
- The Galata Istanbul Hotel - MGallery
- The Grand Mira Business Hotel
- The Grand Tarabya Hotel
- The Green Park Bostanci
- The Green Park Merter
- The Green Park Taksim
- The Hera Premium Hotels
- The Hotel Beyaz Saray
- The Magnaura Palace Hotel
- The Marmara Pera
- The Marmara Sisli
- The Marmara Taksim
- The Meretto Hotel Istanbul Old City
- The Million Stone Hotel - Special Class
- The Parma Hotel & Spa Taksim
- The Pera Hotel
- The Ritz-Carlton Istanbul
- The Row Taksim Hotel
- The St. Regis Istanbul
- The Stay Bosphorus
- The Stay Boulevard Nisantasi
- The Stay Nisantasi
- The Story Hotel Pera
- The Time Hotel Old City
- The White Orient Hotel
- Tilia Hotel
- Titanic Business Kartal
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- Titanic Port Bakirkoy
- Tomtom Suites
- Triada Hotel
- Tulip City Hotel
- Tulip House
- Tunel Residence
- Turkoman Hotel
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- Turvan Hotel
- Tuyap Palas
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- Uranus Istanbul Topkapi
- Valide Sultan Konagi
- Vavien Hotel
- Veni Vidi Dormi - Hostel
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- Vialand Palace Hotel
- Vicenza Hotel
- Victory Hotel & Spa Istanbul
- Villa Pera Suite Hotel
- Viva Deluxe Hotel
- Vizyon Avcilar
- Vogue Hotel Supreme Istanbul
- Wabi Sabi Hostel Istanbul
- Walnut Shell Hotel Sultanahmet
- Walton Hotels Galata
- West Pera Hotel
- White House Hotel Istanbul
- White Monarch Hotel
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- Windsor Hotel & Convention Center
- Wish More Hotel Istanbul
- Witt Istanbul Suites
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- Wow Airport Hotel
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- Wyndham Grand Istanbul Europe
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- Yavuz Hotel
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- Zagreb Hotel
- Zendy Suite Hotel
- Zeugma Hotel Sultanahmet
- Zimmer Bosphorus Hotel
- ibis Istanbul West
- ibis Istanbul Zeytinburnu
- ibis Styles Istanbul Bomonti
