Loyalist Travel| Hotel | Program | Got an upgrade |
|---|---|---|
| Brussels Marriott Hotel Grand PlaceMarriott Hotels · Brussels, Belgium · Club lounge | Marriott Bonvoy | Not enough stays yet |
| Cala San Miguel Ibiza Resort, Curio Collection by HiltonCurio Collection by Hilton · Ibiza, Spain | Hilton Honors | Not enough stays yet |
| Cardiff Marriott HotelMarriott Hotels · Cardiff, United Kingdom · Club lounge | Marriott Bonvoy | Not enough stays yet |
| Cardo Brussels, Autograph CollectionAutograph Collection · Brussels, Belgium | Marriott Bonvoy | Not enough stays yet |
| Carlton Cannes, a Regent HotelRegent · Nice, France | IHG One Rewards | Not enough stays yet |
| Caro & Selig, Tegernsee, Autograph CollectionAutograph Collection · Munich, Germany | Marriott Bonvoy | Not enough stays yet |
| Casa de Sada Beach Resort, Curio Collection by HiltonCurio Collection by Hilton · Faro, Portugal | Hilton Honors | Not enough stays yet |
| Casa del Compositor JerezVignette Collection · Jerez de la Frontera, Spain | IHG One Rewards | Not enough stays yet |
| Chania Flair Boutique Hotel, Tapestry Collection by HiltonTapestry Collection by Hilton · Chania, Greece | Hilton Honors | Not enough stays yet |
| Chapter Chianti, a Member of Design Hotels™Design Hotels · Chianti, Italy | Marriott Bonvoy | Not enough stays yet |
| Château de la Resle, a Member of Design Hotels™Design Hotels · Montigny-la-Resle, France | Marriott Bonvoy | Not enough stays yet |
| Cologne Marriott HotelMarriott Hotels · Cologne, Germany · Club lounge | Marriott Bonvoy | Not enough stays yet |
| Conrad AlgarveConrad · Almancil, Algarve, Portugal | Hilton Honors | Not enough stays yet |
| Conrad Chia Laguna SardiniaConrad · Domus de Maria, Italy | Hilton Honors | Not enough stays yet |
| Conrad HamburgConrad · Hamburg, Germany · Club lounge | Hilton Honors | Not enough stays yet |
| Conrad Istanbul BosphorusConrad · Istanbul, Turkey · Club lounge | Hilton Honors | Not enough stays yet |
| Copenhagen Marriott HotelMarriott Hotels · Copenhagen, Denmark · Club lounge | Marriott Bonvoy | Not enough stays yet |
| Cosme, a Luxury Collection Resort, ParosThe Luxury Collection · Paros, Greece | Marriott Bonvoy | Not enough stays yet |
| Cuber House Valencia, Curio Collection by HiltonCurio Collection by Hilton · Valencia, Spain | Hilton Honors | Not enough stays yet |
| Cugó Gran Macina Malta, a Member of Design Hotels™Design Hotels · Malta | Marriott Bonvoy | Not enough stays yet |
| DAS AFFALTERBACH, Stuttgart, Autograph CollectionAutograph Collection · Stuttgart, Germany | Marriott Bonvoy | Not enough stays yet |
| Delta Hotels Antalya LaraDelta Hotels · Antalya, Turkey | Marriott Bonvoy | Not enough stays yet |
| Delta Hotels AzoresDelta Hotels · Ponta Delgada, Portugal | Marriott Bonvoy | Not enough stays yet |
| Delta Hotels Bristol City CentreDelta Hotels · Bristol, United Kingdom | Marriott Bonvoy | Not enough stays yet |
Got an upgrade is the share of stays that got any room upgrade, out of those that said, with recent stays counting more. It shows once 3 stays have said; until then, a dash.