The 15 Koh Samui Scuba Diving Worth Getting Wet For

1.Koh Samui 2-Dive Trip to Sail Rock for certified divers

★★★★★★★★★★5.0 · 89 reviews · from $180Our pick

Meet Samui Discovery Divers at 8:00 am for a two-session scuba trip to Sail Rock. Certified divers explore coral, anemones, schools of fish, moray eels, and perhaps a whale shark. Hotel pickup, air-conditioned transport, lunch, drinks, and a professional guide are included. Guide Deon has earned special praise for helping newer certified divers feel at ease.

“Absolutely fantastic trip, so glad I booked. I chose this company becauae they said they had a maximum of four people in a a group, as it turned it out was two of us plus the dive master. The diving itself was excellent with great visibility and lRead more”

Check availability →Read our full review

2.Koh Tao 2-Dive Day Trip from Koh Samui for certified divers

★★★★★★★★★★5.0 · 86 reviews · from $187

Travel from Koh Samui to Koh Tao for two guided scuba sessions at sites chosen for the day’s weather and sea conditions. Certified divers can explore reefs, fish, turtles, and possibly Chumphon Pinnacle with guides such as Sam or Man. The trip includes equipment, lunch, drinks, hotel transfers, and a group of up to 17 people.

“Long boat ride but well worth it. Very welcoming team which make you feel relaxed and welcome from the start. Will definitely be coming back.”

Check availability →Read our full review

3.Diving Tour for Certified Divers: Sail Rock or Koh Tao

★★★★★★★★★★4.5 · 75 reviews · from $166

From Koh Samui, you’ll join The Dive Academy for a seven-hour trip to Koh Tao or Sail Rock. Groups are limited to four certified participants of similar experience, with hotel transfers, equipment, drinks, a buffet lunch, and professional guidance included. Bring proof of certification, report your shoe size, and avoid flying for 18 hours afterward.

“Der Tauchausflug war absolut genial. Perfekt organisiert und durchgeführt. Die See war etwas unruhig, deshalb wurde sogar vor der Bootsfahrt eine Reisetablette gratis offeriert.”

Check availability →Read our full review

4.3-Day PADI Open Water Diver Course, Koh Samui

★★★★★★★★★★5.0 · 48 reviews · from $681

Complete PADI e-learning before arriving, then train in a pool on day one and make four boat-based underwater sessions over the next two days. Samui Discovery Divers limits the group to four, provides hotel pickup at selected hotels, and uses multilingual instructors, including Yuan from Germany on some courses. A health questionnaire is required.

“Had a very good experience, and I would say everyone with other dive leaders was too. New/ fast boats, fluent English and other languages, good lunch and well organised from pick up to drop off.”

Check availability →Read our full review

5.Chumphon Pinnacle-Koh Tao 2 dive trip for certified divers

★★★★★★★★★★5.0 · 42 reviews · from $194

You’ll travel from Koh Samui by minivan and speedboat to the Chumphon Archipelago and Koh Tao for two guided underwater sessions. Certified divers get equipment, breakfast, lunch, snacks, and drinks. Guides such as Ben and Sam are noted for careful support, while snorkelers may join selected trips. Hotel pickup is available from selected properties.

“My 17 year old son booked a series of dives with Discovery and we cannot recommend them more. Extremely friendly, professional, great kit and timely hotel pick ups. We sotted a whale shark three times with the opportunity to dive close to it plus many amazing fish and locations at Koh Tao, Sail Rock and Chumphon Pinnacle.”

Check availability →Read our full review

6.Discovery Dive to Koh Tao or Sail Rock

★★★★★★★★★★4.8 · 41 reviews · 7 hours · from $223

This seven-hour introduction takes you from Koh Samui to Koh Tao or Sail Rock for two guided scuba sessions. You receive equipment, insurance, instruction, lunch, and resort transport, with one instructor for every two beginners. The pace stays gentle and the maximum depth is 12 meters, making it a useful first step for confident swimmers aged 10 and up.

“Great day overall - picked up from the hotel in a nice air conditioned van where we were transported to the pier. We had a thorough introduction to scuba diving and told the plan for the day. We went diving at two sites which were brilliant - we had one guide for the two of us which made the experience feel very private! Would definitely recommend!”

Check availability →Read our full review

7.Introductory dive for non-certified divers

★★★★★★★★★★5.0 · 24 reviews · from $226

Spend about seven hours learning scuba basics with a PADI instructor, then complete two ocean descents to a maximum of 40 feet. Samui Discovery Divers supplies gear, lunch, drinks, insurance, and photos when the camera works. Pickup covers northern and eastern Koh Samui, with a 500-baht supplement from the west or south.

“It was an amazing experience!! My first dive. The whole team was super professional. My guide was a cool guy. I felt safe at the whole day. The water was warm and clean we saw a tons of fishes. Very recommended you must try it!”

Check availability →Read our full review

8.Discover Scuba Diving

★★★★★★★★★★4.8 · 19 reviews · 9 hours · from $221

Spend nine hours learning basic SSI scuba skills, then head by boat to Mango Bay or Japanese Garden for a supervised open-water session down to 12 meters. Instruction is available in English, German, or French, with guides such as Steve, Totti, and Wojtek praised for patience and calm support. Lunch, hotel pickup, equipment, fruit, and water are included.

“super expérience, monoteur top. seul bémol : 1h30 de navigation , un peut trop long et sur un bateau avec 50 personnes alors qu il était indiqué 4 maximum.”

Check availability →Read our full review

9.PADI advanced open water course

★★★★★★★★★★5.0 · 9 reviews · from $541

Spend about two days building your scuba skills around Koh Samui with five PADI adventure sessions, including navigation, deep-water training, and three electives. Groups cap at four, and instructors such as Dion, Cyril, Mei Yang, Laura, and Samira provide personal guidance. Gear, lunch, drinks, and selected hotel transfers are included.

“I recently completed my PADI Advanced Open Water Diver course with Cyril at Discovery Dive Center in Koh Samui. It was an amazing experience! Cyril is a fantastic instructor, patient, knowledgeable, and always focused on safety. The enRead more”

Check availability →Read our full review

10.Full Day Diving Activity in Thailand with Lunch

★★★★★★★★★★5.0 · 8 reviews · from $212

Travel from Koh Samui to Sail Rock near Koh Tao for two guided scuba sessions among coral, anemones, barracuda, tuna, moray eels, and angelfish. Hotel pickup, equipment, lunch, drinks, and return transport are included. Small groups can suit beginners and returning scuba participants, with instructors such as Song, Tom, and Mr. Tao associated with the operator.

“It was great they had all sorts of levels of experience whether you are a beginner or not, we saw fish and corals and if you have the time to go Phi Phi Island apparently they have more to offer in the ocean than Koh Toa and Ang Thong also Read more”

Check availability →Read our full review

11.Dive Trip Experience in Koh Tao

★★★★★★★★★★4.5 · 8 reviews · from $217

Travel from Koh Samui to Koh Tao for two guided scuba sessions, lunch, and a full day at sea with Member Diving. The Swiss-run school welcomes beginners, experienced scuba guests, and snorkelers. Guides including Steve and Thomas are noted for calm, personal instruction, while the boat offers air-conditioning, a sun deck, fruit, soft drinks, and water.

“We had an amazing day trip diving out in Koh Tao. My husband is a Rescue diver and I had never dived before. Steve was our instructor and I felt very safe and comfortable given I was a little bit nervous to begin with. Given my husband is Read more”

Check availability →Read our full review

12.2 Days Diving Trip to Koh Tao Including 4 Dives and Accommodation

★★★★★★★★★★4.5 · 7 reviews · from $194

Travel from Koh Samui to Koh Tao for four guided scuba sessions around Koh Tao and Koh Nang Yuan, including deep-water, wreck, and nighttime outings. A PADI instructor leads small groups of up to 15 people. Your package includes equipment, boat transfers, snacks, hotel pickup, and one night near Mae Haad Beach.

“This dive shop is amazing. The staff are friendly and their instructors taught me a lot of useful tips to become a better diver. I managed to consume less air and maintained my buoyancy far better than before. I had different instructors/guidRead more”

Check availability →Read our full review

13.Discover Scuba diving with 2 dives on Koh Tao

★★★★★★★★★★5.0 · 7 reviews · from $245

Spend about seven hours learning basic scuba skills with an instructor before making two supervised underwater descents to 12 metres. Yuan is one named instructor connected with the experience. Hotel pickup, equipment, lunch, water, and shared return transport are included. The program suits beginners aged 13 and up, but it does not provide certification.

“Booked for my Sons birthday and some family friends. Absolutely fantastic day. Staff were brilliant and made us feel welcome they made the day fun. Pick up was prompt. Great photos taken by staff for you to purchase. They sang Happy Read more”

Check availability →Read our full review

14.3-Day PADI Open Water Diver Course

★★★★★★★★★★5.0 · 2 reviews · 7 hours · from $672

Complete PADI theory online before arriving, then train in a pool and make four ocean descents with a small group of no more than four people. The course includes equipment, insurance, transfers, lunch, and English, French, German, Dutch, or Russian instruction. Certification allows you to scuba dive worldwide to 18 meters.

Check availability →Read our full review

15.PADI Advanced Open Water Diver course Two days one night included accommodation

★★★★★★★★★★5.0 · 2 reviews · from $439

Build your scuba skills on a two-day PADI Advanced Open Water course from Koh Samui. Study on Samui, complete five open-water sessions around Koh Tao, stay near Mae Haad Beach, and return with a PADI e-certificate. Nelly and Max are among the instructors connected with the course.

“It was absolutely fantastic. I learn so much from Nelly and Max. Everybody in office was so helpful. I will totally recommend to anybody who want to learn and enjoy the diving🥰🥰🥰”

Check availability →Read our full review