Loyalist Travel| Hotel | Program | Got an upgrade |
|---|---|---|
| Sheraton Lisboa Hotel & SpaSheraton · Lisbon, Portugal | Marriott Bonvoy | Not enough stays yet |
| Sheraton Mallorca Arabella Golf HotelSheraton · Mallorca, Spain | Marriott Bonvoy | Not enough stays yet |
| Sheraton Milan Malpensa Airport Hotel & Conference CentreSheraton · Milan, Italy | Marriott Bonvoy | Not enough stays yet |
| Sheraton Milan San SiroSheraton · Milan, Italy | Marriott Bonvoy | Not enough stays yet |
| Sheraton Offenbach HotelSheraton · Frankfurt, Germany | Marriott Bonvoy | Not enough stays yet |
| Sheraton Paris Charles de Gaulle Airport HotelSheraton · Paris, France | Marriott Bonvoy | Not enough stays yet |
| Sheraton Porto Hotel & SpaSheraton · Porto, Portugal | Marriott Bonvoy | Not enough stays yet |
| Sheraton Rhodes ResortSheraton · Rhodes, Greece | Marriott Bonvoy | Not enough stays yet |
| Sheraton Rome Parco de' MediciSheraton · Rome, Italy | Marriott Bonvoy | Not enough stays yet |
| Sheraton Skyline Hotel London HeathrowSheraton · London, United Kingdom | Marriott Bonvoy | Not enough stays yet |
| Sheraton Sopot HotelSheraton · Gdansk, Poland | Marriott Bonvoy | Not enough stays yet |
| Sheraton Zagreb HotelSheraton · Zagreb, Croatia | Marriott Bonvoy | Not enough stays yet |
| Sheraton Zurich HotelSheraton · Zurich, Switzerland | Marriott Bonvoy | Not enough stays yet |
| Sina Bernini Bristol, Autograph CollectionAutograph Collection · Rome, Italy | Marriott Bonvoy | Not enough stays yet |
| Sir Devonshire Square, a Member of Design HotelsDesign Hotels · London, United Kingdom | Marriott Bonvoy | Not enough stays yet |
| Sir Victor Hotel, a Member of Design Hotels™Design Hotels · Barcelona, Spain | Marriott Bonvoy | Not enough stays yet |
| Six Senses Crans-MontanaSix Senses · Crans-Montana, Switzerland | IHG One Rewards | Not enough stays yet |
| Six Senses Douro ValleySix Senses · Douro Valley, Portugal | IHG One Rewards | Not enough stays yet |
| Six Senses LondonSix Senses · London, United Kingdom | IHG One Rewards | Not enough stays yet |
| Six Senses RomeSix Senses · Rome, Italy | IHG One Rewards | Not enough stays yet |
| Skald Akureyri, Curio Collection by HiltonCurio Collection by Hilton · Akureyri, Iceland | Hilton Honors | Not enough stays yet |
| Skopje Marriott HotelMarriott Hotels · Skopje, North Macedonia · Club lounge | Marriott Bonvoy | Not enough stays yet |
| Sofia MarriottMarriott Hotels · Sofia, Bulgaria · Club lounge | Marriott Bonvoy | Not enough stays yet |
| Sopot Marriott Resort & SpaMarriott Hotels · Gdansk, Poland · Club lounge | 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.