 | Jardins Vale de Parra Hotel Algarve | 3.0 star rating | 104 | Albufeira |
 | Jupiter Algarve Hotel | 4.0 star rating | 183 | Praia da Rocha |
 | Jupiter marina Hotel & Spa Algarve | 4.0 star rating | 150 | Praia da Rocha |
 | KR Hotels - Albufeira Lounge Algarve | 3.0 star rating | 21 | Albufeira |
 | Lageado Sol Hotel Algarve | 3.0 star rating | 350 | Albufeira |
 | Lagoa Hotel Algarve | 4.0 star rating | 44 | Lagoa |
 | Lagosmar Hotel Algarve | 2.0 star rating | 45 | Lagos |
 | Lagunamar Hotel Algarve | 4.0 star rating | 42 | Vale do Lobo |
 | Laguna Resort - Vilamoura Algarve | Resort | 37 | Vilamoura |
 | Lakeside Country Club Hotel Algarve | 4.0 star rating | 34 | Quinta do Lago |
| Leziria Hotel Algarve | 3.0 star rating | 50 | Vilamoura |
| Lindomar Hotel Algarve | 3.0 star rating | 39 | Armacao de Pera |
 | Longevity Cegonha Country Club Hotel Algarve | 4.0 star rating | 32 | Vilamoura |
| Loule Jardim Hotel Algarve | 3.0 star rating | 52 | Loule |
 | Luna Alvor Bay Beach & Sun Hotel Algarve | 3.0 star rating | 149 | Alvor |
 | Luna Alvor Village Hotel Algarve | 4.0 star rating | 70 | Alvor |
 | Luna Clube Brisamar Hotel Algarve | 3.0 star rating | 91 | Alvor |
| Luna Clube Oceano Hotel Algarve | Aparthotel 3* | 72 | Albufeira |
 | Luna Hotel da Oura Algarve | 4.0 star rating | 154 | Albufeira |
 | Luna Miramar Hotel Algarve | 4.0 star rating | 103 | Albufeira |
 | Luna Olympus Hotel Algarve | Aparthotel 4* | 84 | Vilamoura |
 | Luna Solaqua Hotel Algarve | Aparthotel 4* | 120 | Albufeira |
 | Luz Bay Hotel Algarve | 4.0 star rating | 73 | Praia da Luz |
 | Luzmar Villas Hotel Algarve | 4.0 star rating | 32 | Praia da Luz |
 | Mónica Isabel Hotel Algarve | 4.0 star rating | 61 | Albufeira |
 | Macdonald Monchique Resort & Spa Algarve | 5.0 star rating | 185 | Monchique |
| Magnolia Golf & Wellness Hotel Algarve | 4.0 star rating | 77 | Quinta do Lago |
 | Mar a Vista Hotel Algarve | 2.0 star rating | 42 | Albufeira |
 | Mar a Vista Hotel Algarve | 3.0 star rating | 32 | Praia da Rocha |
 | Mar da Luz Apartamentos Hotel Algarve | 4.0 star rating | 60 | Praia da Luz |
 | Mare Alta by Algartur Hotel Algarve | Apartment 2nd Category | 2 | Tavira |
 | Maria Nova Lounge Hotel Algarve | 4.0 star rating | 137 | Tavira |
 | Marina Buzios Apartments Hotel Algarve | 3.0 star rating | 10 | Vilamoura |
 | Marina Club I Hotel Algarve | 3.0 star rating | 18 | Lagos |
 | Marina Club II Hotel Algarve | 4.0 star rating | 35 | Lagos |
 | Marina Club Lagos Resort Algarve | 4.0 star rating | 141 | Lagos |
 | Marina Plaza Apartamentos Hotel Algarve | 3.0 star rating | 15 | Vilamoura |
 | Marina Rio Hotel Algarve | 4.0 star rating | 36 | Lagos |
 | Marina São Roque Hotel Algarve | 3.0 star rating | 26 | Lagos |
 | Maritur Hotel Algarve | 4.0 star rating | 60 | Albufeira |
| Marsol Apartamentos TurÃsticos Hotel Algarve | 3.0 star rating | 31 | Lagos |
 | Martinhal Hotel Algarve | 5.0 star rating | 38 | Sagres |
| Martinhal Quinta Hotel Algarve | 5.0 star rating | | Quinta do Lago |
 | Martinhal Quinta Family Resort Algarve | 4.0 star rating | 60 | Quinta do Lago |
 | Memmo Baleeira Hotel Algarve | 4.0 star rating | 111 | Sagres |
 | Mirachoro I Hotel Algarve | 3.0 star rating | 58 | Albufeira |
| Mirachoro II Hotel Algarve | 2.0 star rating | 115 | Praia da Rocha |
 | Mirachoro III Hotel Algarve | 3.0 star rating | 42 | Praia da Rocha |
 | Mirachoro Praia Hotel Algarve | 4.0 star rating | 115 | Carvoeiro |
 | Mirachoro Sol Hotel Algarve | 2.0 star rating | 65 | Portimao |