| Lido Hotel Peloponesse | 3.0 star rating | | Xylokastro |
| Limenari Hotel Peloponesse | 2.0 star rating | | Filiatra |
| Limira Mare Hotel Peloponesse | 3.0 star rating | | Sparti |
| Lintzi Hotel Peloponesse | 3.0 star rating | 43 | kastro Kyllinis |
 | Liotrivi Hotel Peloponesse | 4.0 star rating | 5 | Monemvassia |
 | Long Beach Hotel & Resort Peloponesse | 3.0 star rating | 129 | Aigio |
 | Mainalon Resort Peloponesse | 3.0 star rating | 31 | Tripoli |
 | Maison Grecque Hotel Peloponesse | 4.0 star rating | 19 | Patra-Rio |
| Maistreli Apartments Hotel Peloponesse | 2.0 star rating | | Stoupa |
| Malvazia Hotel Peloponesse | 4.0 star rating | 14 | Monemvassia |
 | Maniatis Hotel Peloponesse | 3.0 star rating | 80 | Sparti |
 | Mani Hotel Peloponesse | 2.0 star rating | 38 | Aeropolis |
 | Mantas Hotel Peloponesse | 4.0 star rating | 51 | Loutraki |
 | Mantas Bay Apartments Hotel Peloponesse | 3 Keys | 10 | Loutraki |
 | Mantas Seaside Hotel Peloponesse | 3.0 star rating | 26 | Loutraki |
 | Mantinia Bay Hotel Peloponesse | 4.0 star rating | 10 | Kalamata |
 | Mare Dei Suites Hotel Peloponesse | 4.0 star rating | 35 | Pyrgos |
 | Maria's Filoxenia Suites Hotel Peloponesse | 4 Keys | 10 | Tolo |
| Mediterranee Hotel Peloponesse | 2.0 star rating | 96 | Patra-Rio |
 | Meli Apartaments & Villas Hotel Peloponesse | 3 Keys | 12 | Nafplion |
| Melina Polina Apartments Hotel Peloponesse | 2.0 star rating | | Methoni |
 | Melissi Villas Hotel Peloponesse | Villa | 3 | Xylokastro |
| Melitsina Village Hotel Peloponesse | 3.0 star rating | 12 | Kardamyli |
 | Menalia Villas & Suites Hotel Peloponesse | 3 Keys | 16 | Levidi |
 | Menelaion Hotel Peloponesse | 4.0 star rating | 48 | Sparti |
 | Messina Resort Hotel Peloponesse | 4.0 star rating | 64 | Kyparissia |
 | Messinian Bay Hotel Peloponesse | 4.0 star rating | 73 | Kalamata |
 | Messinian Horizons Hotel Peloponesse | 3 Keys | 5 | Marathopoli |
| Methoni Beach Hotel Peloponesse | 3.0 star rating | | Methoni |
 | Minoa Hotel Peloponesse | 3.0 star rating | 44 | Tolo |
 | Miramare Hotel Peloponesse | 3.0 star rating | 32 | Pylos |
| Mitzithras Hotel Peloponesse | 2.0 star rating | 43 | Loutraki |
 | Moni Emvasis Luxury Suites Hotel Peloponesse | 5.0 star rating | 3 | Monemvassia |
| Montage Suites Hotel Peloponesse | Guest House | 12 | Kalavryta |
 | Mont Helmos Hotel Peloponesse | 3.0 star rating | 30 | Kalavryta |
 | Morfeas Hotel Peloponesse | 2.0 star rating | 28 | Argos |
 | Mpalkoni Sti Monemvasia Hotel Peloponesse | 3 Keys | 8 | Monemvassia |
| Nafplia Hotel Peloponesse | 2.0 star rating | 56 | Nafplion |
 | Nafplia Palace Hotel Peloponesse | 5.0 star rating | 84 | Nafplion |
 | Nafsimedon Hotel Peloponesse | 4.0 star rating | 13 | Nafplion |
 | Naiades Villas Hotel Peloponesse | 3.0 star rating | 14 | Kato Achaia |
 | Natura Club Hotel Peloponesse | 3.0 star rating | 32 | Kyparissia |
 | Navarino Villas Hotel Peloponesse | 4 Keys | 6 | Pylos |
 | Navarone Hotel Peloponesse | 3.0 star rating | 68 | Pylos |
 | Neda Hotel Peloponesse | 3.0 star rating | 43 | Olympia |
| Nefeles Mainalon Resort Peloponesse | 3.0 star rating | 15 | Levidi |
 | Nerida Boutique Hotel Peloponesse | 3.0 star rating | 19 | Dimitsana |
 | Nikas Rooms & Apartments Hotel Peloponesse | 2 Keys | 8 | Stoupa |
 | Nikki Beach Resort & Spa Porto Heli Peloponesse | 5.0 star rating | 66 | Porto Heli-Ermioni |
 | Niriides Villas Hotel Peloponesse | 4 Keys | 11 | Gythion |