| Animal Parks & Safari |
| | Tigers at Samui Orchid Resort | 0 77 42 40 17 | | Asian Bengal and Leopard Tigers |
| | Buffalo Show | 0 77 41 86 80 | | |
| | Samui Crocodile Farm | 0 18 94 42 28 | | Bank Rak, near the airport |
| | Samui Monkey Theater | 0 77 24 51 40 | | Bo Phut |
| | Samui Snake Farm | 0 77 42 32 47 | | Ban Taling Ngam, Thong Krut |
| | Samui Butterfly Garden | 0 77 42 40 20 | | opposite Central Samui Village, Laem Set |
| | Samui Aquarium | 0 77 42 40 17 | | Samui Orchid Resort, Laem Set Beach |
| | Living Thailand Tours | 0 77 41 86 80 | | Thai Culture, Adventure, and Fun Recommended |
| | Chaweng Elephant Trekking | 0 17 87 18 86 | | Chaweng Noi |
| | Namuang Waterfall, Elephant Trekking | 0 77 41 86 80 | | Namuang Waterfall |
| | Siam Safari | | | Lipa Noi |
| | Island Safari | 0 77 23 05 67 | | Chaweng North |
| | Mr. Ung's Magical Safari Tours | 0 77 23 01 14 | | Chaweng Center |
| | Namuang Safari Park | 0 77 42 40 89 | | Namuang |
| Boat Charter |
| | Island Yacht Charter | 0 77 42 70 69 | | |
| | Samui Ocean Sports | 0 19 40 19 99 | | at Chaweng Regent Beach Resort |
| | Longtail Boat to Koh Som | 0 97 98 33 90 | | at Morgan Hut on Chaweng Beach |
| Bowling |
| | Living Bowl Centre | 0 77 23 07 00 | | Chaweng, next to McDonalds |
| Bungy |
| | Samui Bungy Jump | 0 18 91 33 14 | | Chaweng, Soi Reggae Pub |
| Diving |
| | Abyss Dive Center | 0 77 24 70 38 | | Maenam Beach , directly at the pier |
| | Big Blue Dive Center | 0 77 45 60 50 | | |
| | Big Blue Diving Center - Koh Samui | 0 77 42 26 17 | | |
| | Bophut Diving Co., Ltd. | 0 77 42 54 96 | | |
| | Bug Diving | 0 18 92 56 64 | | Chaweng North |
| | Calypso Diving | 0 77 42 24 37 | | Koh Samui - Koh Tao |
| | Captain Cavemans Divecenter | 0 77 23 08 91 | | |
| | Captain Cavemans Divecenter | 0 77 42 22 15 | | |
| | Discovery Dive Center | 0 77 41 31 96 | | Chaweng North |
| | Dive Indeep | 0 77 23 01 55 | | Chaweng Ctr, opp. Burger King |
| | Dive Point | 0 17 87 48 93 | | Chaweng Center |
| | Easy Divers | 0 77 41 33 73 | | Chaweng, Lamai, Bophut |
| | | | | |
| | Hobo-Ya | 0 77 41 32 53 | | Chaweng & Bo Phut |
| | Mui Divers Padi Dive Resort | 0 77 23 32 01 | | 133/16 Moo 3, Maret Lamai |
| | Nang Yuan Dive Resort | 0 77 42 73 98 | | Nangyuan Island Dive Resort |
| | Pro Divers | 0 77 23 33 99 | | |
| | ProDivers | 0 77 23 33 99 | | Lamai Beach, opposite Nice Resort |
| | Samui Crystal Diving | 0 77 23 23 69 | | Lamai & Mae Nam |
| | Samui Diving Service | 0 77 23 00 53 | | Chaweng South |
| | Samui International Diving School | 0 77 42 23 86 | | Chaweng Beach, near Malibu resort |
| | Samui Scuba Adventures | 0 18 92 86 90 | | |
| | Samui Sports Divers | 0 77 42 72 03 | | Bo Phut Pier |
| | Samui Sports Divers | 0 77 41 32 79 | | Chaweng Villa Beach Resort |
| | Scuba Junction - Koh Tao | 0 77 37 78 66 | | located on Koh Tao |
| | SIDS Big Buddha | 0 77 42 54 96 | | |
| | Superior Dive Center, Lamai | 0 77 42 45 56 | | |
| | The Dive Shop | 0 77 23 02 32 | | Chaweng Center |
| | Wiking Divers | 0 77 23 23 33 | | Lamai |
| Fishing |
| | Samui Fishing & Tour | 0 77 42 71 54 | | |
| Fitness Clubs |
| | Neptune | 0 77 22 65 23 | | Chaweng Center, at Seaquest |
| | World Gym | 0 77 23 11 74 | | Chaweng South, on Samui Ring Road |
| Golf |
| | Samui Golf Club & Driving Range | 0 77 24 52 36 | | 123/1 Moo1, Bophut |
| | Samui Golf & Sport Center | 0 77 24 53 84 | | at Tesco Lotus |
| Mini Golf |
| | Treasure Island Mini Golf | 0 77 41 32 67 | | Chaweng, behind The Islander Restaurant |
| Ocean Kayak |
| | Blue Stars Sea Kayaking | 0 77 41 32 31 | | next to the Green Mango |
| | Sea Canoe | 0 77 23 11 23 | | Lamai |
| | Samui Ocean Sports Watersport Center | 0 19 40 19 99 | | at Chaweng Regent Beach Resort |
| Paint Ball |
| | Samui Paintball | 0 77 42 25 38 | | Bophut |
| Racing |
| | Samui Go Kart | 0 77 42 50 97 | | Bo Phut |
| | Samui Buggy Track | | | Chaweng North, near Coral Bay Resort |
| Sailing |
| | Samui Ocean Sports | 0 19 40 19 99 | | |
| | Tradewinds | 0 77 23 06 02 | | |
| Shooting Range |
| | Samui Shooting Sport | 0 77 42 53 70 | | Chaweng North, on Samui Ring Road |
| Snorkeling |
| | Samui Ocean Sports | 0 19 40 19 99 | | at Chaweng Regent Beach Resort |
| Thai Boxing |
| | Muay Thai | 0 77 41 35 04 | | at Chaweng Stadium |
| Thai Cooking Classes |
| | The Blue Banana | 0 77 24 50 80 | | Big Buddha Beach |
| | SITCA | 0 77 41 31 72 | | Chaweng, near Central Samui Beach Resort |
| Wind Surfing |
| | Samui Ocean Sports | 0 19 40 19 99 | | at Chaweng Regent Beach Resort |