| Cala Ponte, a Tribute Portfolio HotelTribute Portfolio · Bari, Italy | –Not enough stays yet |
| Calgary Airport Marriott In-Terminal HotelMarriott Hotels · Calgary, Canada | –Not enough stays yet |
| Calgary Marriott Downtown HotelMarriott Hotels · Calgary, Canada | –Not enough stays yet |
| Cali Marriott HotelMarriott Hotels · Cali, Colombia · Club lounge | –Not enough stays yet |
| Canal House of Georgetown, a Tribute Portfolio HotelTribute Portfolio · Washington, D.C. | –Not enough stays yet |
| Cap Karoso, a Member of Design Hotels™Design Hotels · Sumba, Indonesia | –Not enough stays yet |
| Cape Town Marriott Hotel Crystal TowersMarriott Hotels · Cape Town, South Africa · Club lounge | –Not enough stays yet |
| Cappadocia Marriott HotelMarriott Hotels · Nevşehir, Turkey · Club lounge | –Not enough stays yet |
| Cardiff Marriott HotelMarriott Hotels · Cardiff, United Kingdom · Club lounge | –Not enough stays yet |
| Cardo Brussels, Autograph CollectionAutograph Collection · Brussels, Belgium | –Not enough stays yet |
| Cardo Roma, Autograph CollectionAutograph Collection · Rome, Italy | –Not enough stays yet |
| Caresse, a Luxury Collection Resort & Spa, BodrumThe Luxury Collection · Bodrum, Turkey | –Not enough stays yet |
| Carlota, a Member of Design Hotels™Design Hotels · Quito, Ecuador | –Not enough stays yet |
| Caro & Selig, Tegernsee, Autograph CollectionAutograph Collection · Munich, Germany | –Not enough stays yet |
| Casa Brera, a Luxury Collection Hotel, MilanThe Luxury Collection · Milan, Italy | –Not enough stays yet |
| Casa Foscolo Hotel, Istanbul, a Member of Design Hotels™Design Hotels · Istanbul, Turkey | –Not enough stays yet |
| Casa Monica Resort & Spa, Autograph CollectionAutograph Collection · St. Augustine, Florida | –Not enough stays yet |
| Casa Nizuc, a Tribute Portfolio ResortTribute Portfolio · Cancun, Mexico | –Not enough stays yet |
| Casablanca Marriott HotelMarriott Hotels · Casablanca, Morocco · Club lounge | –Not enough stays yet |
| Cascade Hotel, Kansas City, a Tribute Portfolio HotelTribute Portfolio · Kansas City, Missouri | –Not enough stays yet |
| Castillo Hotel Son Vida, a Luxury Collection Hotel, MallorcaThe Luxury Collection · Mallorca, Spain | –Not enough stays yet |
| Castle Hotel, Autograph CollectionAutograph Collection · Orlando, Florida | –Not enough stays yet |
| Cedar Park Marriott Hotel and Conference CenterMarriott Hotels · Austin, Texas | –Not enough stays yet |
| Cervo Hotel, Costa Smeralda ResortSheraton · Sardinia, Italy | –Not enough stays yet |