Top Koh Samui Scuba Diving

Spend a full day exploring the underwater beauty of Koh Tao on a scuba diving trip from Koh Samui. Travel aboard Koh Samui’s largest dive boat, designed with a sun deck, dive platform, and modern facilities for a comfortable day at sea. Choose from Sail Rock 2 Dives, Koh Tao 2 Dives, or Discover Scuba Diving for beginners with no previous experience required. With expert guidance and quality equipment provided, you can enjoy clear waters, colorful coral reefs, tropical fish, and the chance to spot whale sharks during the right season. Between dives, relax on board with lunch, fruit, and soft drinks before returning with memories of the Gulf of Thailand below the surface. Book your dive adventure and see Koh Tao from a whole new perspective.

Leave the island of Koh Samui and set off on an adventure to explore the vast Ang Thong National Marine Park—an archipelago that comprises over 42 islands. During the trip, gain access to natural wonders that you wouldn’t be able to get to without a boat transfer—such as the Emerald Lake. The trip also gives you the opportunity to explore the underwater world as snorkeling gear is provided.

Eliminate the guesswork of trying to find great snorkeling spots, and instead, hop on a speedboat and let a guide show you the way. This trip visits the coasts of Koh Tao and Koh Nang Yuan, which are known for their beautiful coral reefs and abundant marine life. During the trip, enjoy snorkeling, a tasty Thai buffet lunch break, and round-trip transfers on Koh Samui.

With so many options to experience the Gulf of Thailand, it can be difficult to know which diving tour to choose. This excursion from Koh Samui to Koh Tao or Sail Rock guarantees a comfortable, personalized experience by limiting group numbers to four divers of similar experience level. Includes hotel transfers and lunch.

Discover the stunning underwater worlds of Thailand on a diving trip for certified divers, starting from Koh Samui. Don’t worry about eating before the trip as a light breakfast with coffee or tea is included. Then, head off to the Chumphon Archipelago for your first dive, followed by Koh Tao for your second with a guide to accompany you throughout.

Try scuba diving on this discover scuba experience from Koh Tao to see how you feel exploring the underwater world. This is good for all levels, and does not conclude with a certification. You’ll take two dives up to 12 meters deep at sites like Mango Bay or Japanese Garden, with an included lunch to keep your energy up.

This speedboat trip is the perfect way to access great snorkeling sites. Set off from Koh Samui and get insider tips from your crew on the best places to go snorkeling near Koh Tao and Koh Nang Yuan. Conveniently, snorkeling gear rental is included, as well as a buffet lunch so you can stay energized and fueled for your adventures.

Explore Koh Samui by quad bike on your choice of a 1-hour or 2-hour guided tour. Sample the off-road experience on the 1-hour tour, or go all out on a 2-hour tour that takes you to a stunning waterfall (seasonal). Your guide shows you the basics of operating the quad bike, on you have a choice of morning or afternoon tour to suit your schedule.

Avoid Koh Samui’s traffic and speed up your sightseeing by exploring its nearby islands on a jet ski adventure. Round-trip transfers are included to make it easy to reach the start point. Once comfortable with your jet ski, head off to see Pig Island (Koh Mudsum) and pass by Five Islands. If time allows, snorkel in the pristine waters around Koh Tan.

Relax with tranquil sailing to the limestone islands of Ang Thong Marine Park, where you can snorkel at remote lagoons, kayak along the coast and through tunnels, and finish with the last viewing at the Blue Lagoon viewpoint on this full-day tour. Stroll to Emerald Lake (Talay Nai) and enjoy a light breakfast and cooked lunch. Step aboard a spacious yacht equipped with a sun deck, internal saloon, and hot tub and avoid the crowds with personalized service on this small-group tour. Round-trip hotel and dinghy transfers from Koh Samui are included.

Explore the turquoise waters and picturesque islands of the Angthong National Marine Park on this full-day discovery tour from Koh Samui. Including transfers on a big boat, sea kayaking, snorkeling over coral reefs and underwater caves, sightseeing, and a trip on a long-tail boat, this guided adventure day out is the perfect way to explore this stunning archipelago in the Gulf of Thailand.

See a whole new side of Koh Samui’s jungle with the help of a guide in rugged jeeps on this private day tour. Pack loads of sightseeing into one tour—visit Grandfather and Grandmother Rocks, swim at Na Muang Waterfall, see the Mummified Monk at Khunaram Temple, and enjoy a traditional Thai lunch at a beachfront restaurant to keep your energy up. Hotel pickup is also included for a seamless experience.

Discover the rich biodiversity of Ang Thong National Marine Park on a group boat tour from Koh Samui. With so many activities to try, including snorkeling and sea kayaking in crystal clear water, hiking to the top of Wua Talap Hill, and sunbathing on white sand beaches, there’s something for everyone to enjoy. Note that the park admission fee is not included in the tour price.

Member Diving is a Swiss diving school for beginners to advanced divers and snorkelers. Essential to us is individual customer service. Our aim is to provide an unforgettable underwater experiences for our customers. We offer you a full day trip on the biggest boat on the island. We have diving trips on our speedboat catamaran, with a space for 40 divers. We have lunch between the dives and our boat staff offers fruits, soft drinks and water the full trip. There's enough space to walk around and enjoy our sun deck. Our Instructors providing an excellent customer service from the beginning till the end. You will have your space and at the same time always someone who is for you reachable in and out of the water. You will see different species of marine life from clownfish to barracudas, different types of corals.

Member Diving is a Swiss diving school for beginners to advanced divers and snorkelers. Essential to us is individual customer service. Our aim is to provide an unforgettable underwater experiences for our customers. We offer you a full day trip on the biggest boat on the island. We have diving trips on our speedboat catamaran, with a space for 40 divers. We have lunch between the dives and our boat staff offers fruits, soft drinks and water the full trip. There's enough space to walk around and enjoy our sun deck. Our Instructors providing an excellent customer service from the beginning till the end. You will have your space and at the same time always someone who is for you reachable in and out of the water. You will see different species of marine life from clownfish to barracudas, different types of corals.

There’s no need to haggle with boatmen to arrange an island tour by longtail boat. This convenient package lets you book online, plan ahead, and even choose between morning or afternoon departures. Your small group will snorkel the coral reef around Koh Tan (Koh Taen), stop off at Ko Mat Sum (Koh Madsum), known for its friendly pigs, and enjoy a Thai meal.

Day trip to one of the most famous dive sites in Thailand! Here you will see many types of corals, fishes, if we're lucky we may spot a turtle or a shark! Our trip starts at approximately 8:00 a.m. we will pick you up at the hotel, and meet you at the pier to check in, and around 9:00 a.m. we will be on our way to Koh Tao! The boat trip to Koh Tao takes approx. one and a half hours. Once we reach our first dive site we will jump into the water and the adventure starts! After an hour approx. we will go back to the boat to enjoy our lunch break and rest for a while before going to our second dive spot. Once again we will dive for a second time and afterwards, we will come back to the boat to start our return to Koh Samui, where the taxi will be waiting for you to take you back to your accommodation.

Take your scuba diving skills to the next level and expand your range to 100 feet (30 meters) when you gain your PADI Advanced Open Water scuba certification on Koh Samui. You’ll do five adventure dives—a deep dive, a navigation dive, then three specialisms you select—in a group no larger than four, with an instructor at your side. Courses normally last two days and include lunch, gear, and hotel pickup and drop-off.

Become a certified SCUBA diver after completing the PADI Open Water Diver course during your vacation on Ko Samui. Have the option to do the theory coursework in advance via a downloadable app, which allows you to complete the course in three days. Your training includes practice in the swimming pool before heading out on the boat for four open water dives.

Just west of Koh Samui, the Angthong Marine Park is a prime destination for snorkeling and scuba diving, dotted with lush islands and gorgeous sandy beaches. On this tour, travel aboard a private charter boat and enjoy a completely customized tour itinerary. Perhaps, dive in to swim or snorkel in the coral-lined bays, head ashore to hike through the forest, or organize a thrilling scuba diving excursion, before tucking into a delicious buffet lunch aboard the boat.