| NIRIIDES VILLAS Hotel Peloponesse | 3.0 star rating | | Methoni |
| Nirrides Apts sutdios Hotel Peloponesse | 3.0 star rating | 5 | Kyparissia |
 | Oasis Hotel Peloponesse | 3.0 star rating | 32 | Kyparissia |
 | Odysseas Hotel Peloponesse | 2.0 star rating | 44 | Katakolo |
 | O Gerolimenas Hotel Peloponesse | 4.0 star rating | 23 | Mani |
 | Olympia Golden Beach Resort & Spa Peloponesse | 5.0 star rating | 56 | Loutra Kyllinis |
 | Olympia Palace Hotel Peloponesse | 4.0 star rating | 65 | Olympia |
 | Olympia Zerveas Hotel Peloponesse | 2.0 star rating | 8 | Stoupa |
 | Olympic Star Hotel Peloponesse | 2.0 star rating | 34 | Patra-Rio |
| Olympic Torch Hotel Peloponesse | 3.0 star rating | 5 | Olympia |
 | Olympic Village Hotel Peloponesse | 4.0 star rating | 59 | Olympia |
 | Olympion Asty Hotel Peloponesse | 4.0 star rating | 39 | Olympia |
 | Olympos Hotel Peloponesse | 2.0 star rating | 37 | Pyrgos |
| Oniro Zachlorous Hotel Peloponesse | 4.0 star rating | | Kalavryta |
| Orizontes View Hotel Peloponesse | Pending Category | | Katakolo |
 | Palatino Hotel Peloponesse | 3 Keys | 13 | Tripoli |
| Palazzo Hotel Peloponesse | 3.0 star rating | | Monemvassia |
 | Panorama Hotel Peloponesse | 3.0 star rating | 27 | Monemvassia |
 | Panorama in Tolo Hotel Peloponesse | 4 Keys | 22 | Tolo |
| Panorama Resort Peloponesse | 3.0 star rating | 43 | Finikounta |
| Pantheon City Hotel Peloponesse | 3.0 star rating | 53 | Gythion |
| Paolo Hotel Peloponesse | 4.0 star rating | 75 | Loutraki |
 | Pappas Hotel Peloponesse | 3.0 star rating | 100 | Loutraki |
| Paradise Resort Peloponesse | 3.0 star rating | 37 | Finikounta |
 | Paris Village Apartment Village Hotel Peloponesse | 4 Keys | 16 | Messini |
 | Park Hotel Peloponesse | 3.0 star rating | 70 | Nafplion |
| Park Hotel Peloponesse | 4.0 star rating | 60 | Loutraki |
 | Patras Palace Hotel Peloponesse | 4.0 star rating | 63 | Patra-Rio |
 | Pavlina Hotel Peloponesse | 4.0 star rating | 93 | Niforeika |
 | Pelops Hotel Peloponesse | 2.0 star rating | 18 | Olympia |
| Perivoli Hotel Peloponesse | 3.0 star rating | 18 | Nafplion |
 | Petit Palais Hotel Peloponesse | 3.0 star rating | 36 | Loutraki |
 | Petra & Fos Boutique hotel & Spa Hotel Peloponesse | 3.0 star rating | 23 | Itilo |
 | Petrino Guesthouse Hotel Peloponesse | 3.0 star rating | 11 | Pyrgos |
 | Pharae Palace Hotel Peloponesse | 4.0 star rating | 76 | Kalamata |
 | Pleiadon Gi Mountain Resort and Spa Peloponesse | 4.0 star rating | 20 | Trikala Korinthias |
 | Porto Heli Resort Peloponesse | 3.0 star rating | | Porto Heli-Ermioni |
 | Porto Hydra Hotel Peloponesse | 3.0 star rating | | Porto Heli-Ermioni |
 | Porto Hydra Royal Club Hotel Peloponesse | 3.0 star rating | | Porto Heli-Ermioni |
| Porto Mani Suites Hotel Peloponesse | 3.0 star rating | 15 | Aeropolis |
 | Porto Panorama Hotel Peloponesse | 3.0 star rating | 12 | Porto Heli-Ermioni |
 | Porto Rio Hotel Peloponesse | 3.0 star rating | | Patra-Rio |
 | Porto View Suites and Spa Hotel Peloponesse | 3.0 star rating | 10 | Porto Heli-Ermioni |
 | Poseidon Hotel Peloponesse | 3.0 star rating | 49 | Kato Achaia |
 | Poseidon Palace Hotel Peloponesse | 4.0 star rating | 49 | Kato Achaia |
 | Poseidon Resort Peloponesse | 4.0 star rating | 320 | Loutraki |
 | Pramataris Hotel Peloponesse | 2.0 star rating | 20 | Monemvassia |
 | Primarolia Hotel Peloponesse | 3.0 star rating | 14 | Patra-Rio |
 | Prime Isthmus Hotel Peloponesse | 3.0 star rating | 72 | Corinth Canal |
 | Princess Kyniska Suites Hotel Peloponesse | 4.0 star rating | 24 | Monemvassia |