 | Absolute Sanctuary Koh Samui Hotel | 4.0 star rating | 38 | Choengmon |
| Akaryn Resort & Spa Samui Koh Samui | 3.0 star rating | | Choengmon |
| Akwa Guesthouse Hotel Koh Samui | 2.0 star rating | 23 | Lamai |
 | Aloha Resort Koh Samui | 3.0 star rating | 74 | Lamai |
 | Al's Hut Hotel Koh Samui | 2.0 star rating | 32 | Chaweng |
 | Al's Laemson Hotel Koh Samui | 4.0 star rating | 79 | Chaweng |
 | Al's Resort Koh Samui | 3.0 star rating | 93 | Chaweng |
 | Amari Koh Samui Hotel | 4.0 star rating | 197 | Chaweng |
| Amarina Residence Hotel Koh Samui | 3.0 star rating | 17 | Lamai |
 | Amarin Samui Hotel Koh Samui | 3.0 star rating | 46 | Mae Nam |
 | Amenity Apartel Samui Hotel Koh Samui | 3.0 star rating | 11 | Surat Thani |
 | Aminjirah Resort Koh Samui | 3.0 star rating | 23 | Koh Tao |
 | Amity Bungalow Hotel Koh Samui | 2.0 star rating | | Lamai |
 | Ammatara Pura Pool Villas Hotel Koh Samui | 4.0 star rating | 18 | Lamai |
 | Ampha Place Hotel Koh Samui | Pending Category | | Mae Nam |
 | Am Samui Palace Hotel Koh Samui | 4.0 star rating | 100 | Surat Thani |
| Am Samui Resort Koh Samui | 3.0 star rating | 24 | Surat Thani |
 | Anantara Bophut Resort and Spa Koh Samui | 5.0 star rating | 106 | Bo Phut Beach |
 | Anantara Lawana Resort and Spa Samui Koh Samui | 5.0 star rating | 122 | Chaweng |
 | Anong Guesthouse Hotel Koh Samui | 3.0 star rating | 15 | Chaweng |
 | Aqua Samui Villas Hotel Koh Samui | 4.0 star rating | 20 | Bo Phut Beach |
 | Arayaburi Boutique Resort Koh Samui | 3.0 star rating | 65 | Choengmon |
| Aree Beach Resort Koh Samui | 3.0 star rating | 12 | Lamai |
 | Arina Boutique Residence Hotel Koh Samui | 4.0 star rating | 12 | Chaweng |
 | Arisara Place Hotel Koh Samui | 3.0 star rating | | Surat Thani |
 | Ark Bar Beach Resort Koh Samui | 3.0 star rating | 328 | Chaweng |
 | Asia Spirit Lodge & Spa Hotel Koh Samui | 4.0 star rating | 16 | Taling Ngam |
 | Aspira Samui Hotel Koh Samui | 3.0 star rating | 72 | Bo Phut Beach |
 | At Home Resort Koh Samui | 3.0 star rating | 20 | Surat Thani |
 | At Lamai Resort Koh Samui | 2.0 star rating | 26 | Lamai |
 | Atlantis Resort & Spa Koh Samui | 3.0 star rating | 30 | Choengmon |
 | Auberge Resort Koh Samui | 2.0 star rating | 5 | Lamai |
 | Avanta Condominium Hotel Koh Samui | 3.0 star rating | 50 | Surat Thani |
 | B2@Samui Beach Resort Koh Samui | 2.0 star rating | 36 | Chaweng |
| Baan Bophut Beach Hotel Koh Samui | 3.0 star rating | 12 | Surat Thani |
 | Baan Chaweng Beach Resort & Spa Koh Samui | 3.0 star rating | 93 | Chaweng |
 | Baan Fah Resort Koh Samui | 3.0 star rating | | Surat Thani |
 | Baan Family Hotel Koh Samui | 3.0 star rating | | Lamai |
 | Baan Haad Ngam Boutique Resort and Villas Koh Samui | 4.0 star rating | 51 | Chaweng |
 | Baan Hin Sai Resort & Spa Koh Samui | 3.0 star rating | 78 | Chaweng |
 | Baan Jasmin Village Hotel Koh Samui | 2.0 star rating | | Bo Phut Beach |
 | Baan Kao Hua Jook Villas & Serviced Apartments Hotel Koh Samui | 3.0 star rating | | Chaweng |
 | Baan Lamai Resort Koh Samui | 2.0 star rating | | Lamai |
 | Baan Pitcha Hotel Koh Samui | 2.0 star rating | 20 | Lamai |
| Baan Rom Mai Resort Koh Samui | 3.0 star rating | 23 | Bo Phut Beach |
 | Baan Saensook Villas Hotel Koh Samui | 3.0 star rating | 27 | Choengmon |
 | Baan Samui Resort Koh Samui | 3.0 star rating | 79 | Chaweng |
 | Baan Suan Sook Resort Koh Samui | 3.0 star rating | 36 | Chaweng |
| Baan Taa Yaay Hotel Koh Samui | 2.0 star rating | 20 | Bo Phut Beach |
 | Baantai Cluster Hotel Koh Samui | 3.0 star rating | 15 | Lamai |