 | Irini'S Rooms Fteoura Hotel Santorini | 2.0 star rating | 13 | Kamari |
 | Irini Villas Resort Santorini | 3 Keys | 5 | Imerovigli |
 | iSuites Hotel Santorini | Villa | 4 | Fira |
 | Jojo Beach Hotel & Bar Santorini | 4 Keys | 12 | Perissa-Perivolos |
 | Kafieris Blue Apartments Hotel Santorini | 3.0 star rating | 20 | Firostefani |
 | Kafouros Studios Hotel Santorini | 3 Keys | 12 | Kamari |
 | Kalestesia Suites Hotel Santorini | 4 Keys | 10 | Akrotiri |
 | Kalimera Hotel Santorini | 3.0 star rating | 22 | Akrotiri |
| Kalisperis Hotel Santorini | 3.0 star rating | 26 | Messaria |
 | Kalisti Hotel & Suites Santorini | 4.0 star rating | 50 | Fira |
 | Kallisto Hotel Santorini | 5.0 star rating | 8 | Imerovigli |
 | Kalma Hotel Santorini | 2.0 star rating | 37 | Fira |
 | Kalya Hotel Santorini | 3 Keys | 12 | Kamari |
| Kamari Beach Hotel Santorini | 3.0 star rating | 106 | Kamari |
 | Kamari Blu Boutique Hotel Santorini | 3.0 star rating | 28 | Kamari |
 | Kampanario Villa Hotel Santorini | Villa | 1 | Megalochori |
 | Karidis Hotel Santorini | 2.0 star rating | 17 | Kamari |
| Karterados Beach Apartments Hotel Santorini | 1 Star | 28 | Fira-Karterados |
 | Kasimatis Suites Hotel Santorini | 4 Keys | 10 | Imerovigli |
| Kassimatis Studios Hotel Santorini | 3.0 star rating | 11 | Imerovigli |
 | Kastelli Hotel Santorini | 5.0 star rating | 60 | Kamari |
 | Kastro Suites Hotel Santorini | Aparthotel 3* | 7 | Fira |
 | Katharos Pool Villas Hotel Santorini | 3.0 star rating | 4 | Oia |
 | Katikies The Hotel Santorini | 5.0 star rating | 34 | Oia |
 | Kavalari Hotel Santorini | 3.0 star rating | 29 | Fira |
 | Kelenis Apts Hotel Santorini | 4.0 star rating | 10 | Fira-Karterados |
 | King'S Suites Hotel Santorini | 3 Keys | 9 | Kamari |
 | King Thiras Hotel Santorini | 2.0 star rating | 17 | Fira |
 | Kirini Hotel Santorini | 5.0 star rating | 25 | Oia |
| Kokkinos Villas Hotel Santorini | 3.0 star rating | 20 | Akrotiri |
| Koralli Hotel Santorini | 3.0 star rating | 8 | Kamari |
 | Kouros Village Hotel Santorini | 4.0 star rating | 35 | Perissa-Perivolos |
 | Krokos Villas Apts Hotel Santorini | 3 Keys | 16 | Imerovigli |
| Kymata Hotel Santorini | 2.0 star rating | 19 | Kamari |
 | Kymata Hotel Santorini | 2.0 star rating | 20 | Kamari |
| KYRINI HOTEL Hotel Santorini | 2.0 star rating | | Oia |
| LA BELEZZA ECO BOUTIQUE HOTEL Hotel Santorini | 3.0 star rating | | Kamari |
 | Lagadi Suites Hotel Santorini | Boutique | 4 | Messaria |
 | La Maltese Hotel Santorini | 5.0 star rating | 9 | Imerovigli |
 | La Maltese Oia Hotel Santorini | 5.0 star rating | 5 | Oia |
| La Maltese Private House Hotel Santorini | 3.0 star rating | | Imerovigli |
 | La Mer Deluxe Hotel & Spa Santorini | 5.0 star rating | 45 | Kamari |
 | Laokasti Villas Hotel Santorini | 3.0 star rating | 17 | Oia |
 | La Perla Villas Hotel Santorini | 5.0 star rating | 12 | Oia |
 | Lava Suites & Lounge Hotel Santorini | 4 Keys | 7 | Fira |
 | Levante Beach Hotel Santorini | 2.0 star rating | 46 | Kamari |
 | Liakada Oia Suites Hotel Santorini | 3.0 star rating | | Oia |
 | Lignos Hotel Santorini | 3.0 star rating | 10 | Fira |
 | Lodos Hotel Santorini | 2.0 star rating | 22 | Fira-Karterados |
| Loizos Apartments Hotel Santorini | 3 Keys | 23 | Fira |