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Dive & Relax Koh Lanta

Avoid The Crowds | Small Groups | Great Personal Service

Welcome to Dive & Relax

Koh Lanta Diving Trips & Scuba Courses

Avoid the Crowds

Diving and Relaxing on Koh Lanta in very small groups, with a focus on great personal service, safety and fun.

Departing from the south end of Long Beach each morning at 9am, our two speed boats carry a maximum of 10 divers each to some of the best diving sites in Thailand... Read More

Koh Lanta Speed Boat Diving with Dive & Relax

Journey times to Koh Haa are just 30 minutes from our dive shop @ Lanta Castaway Beach Resort, and as little as 60 - 70 minutes to the spectacular diving sites of Hin Daeng & Hin Muang.

Travel in style from Koh Lanta to some of the Andaman Sea's top dive sites on our fast boats, enjoying short journey times and an early afternoon return to Koh Lanta with plenty of time to explore the island or relax on the beach...

Explore Thailand's Best Dive Sites

Koh Lanta is a scuba diving paradise, home to some of Thailand’s best diving sites, most spectacular islands, healthiest coral reefs, and a huge diversity of marine life.

Here on Lanta, our unrivaled location means that not only can we go diving in the Mu Koh Lanta Marine Park, we also have easy access to the super dive sites in the Mu Koh Phi Phi Marine Park.

Diving Hin Daeng from Koh Lanta with Dive & Relax

We've created an extensive Lanta Marine Life Guide with photos and descriptions of hundreds of species of fish, corals, and other amazing creatures you can expect to see while diving with us here around Koh Lanta.

After returning from a diving trip, our staff love to spend time with our guests, logging the dives and sharing our knowledge of the wonderful marine life at Koh Lanta's dive sites.

Book online to save 10% on dive trips and scuba courses on Koh Lanta.

Scuba Courses & Introduction Dives

Anyone can try scuba diving! Discover the amazing underwater world and the fantastic tropical marine life of the Andaman Sea. SSI and PADI Open Water Diver courses available in several languages, with group sizes of just 2 or 3 students with each diving instructor (max 3).

Not ready to get certified? You can try our 1-day, 2-dive PADI Discover Scuba Diving experience with an instructor to a maximum of 12 m.

Open Water Diver Course on Koh Lanta with Dive & Relax

If you're already certified Open Water Diver (or equivalent), take the Advanced Open Water Diver course here on Koh Lanta. Dive deeper, improve your buoyancy and air consumption, and prepare for even more exciting scuba diving adventures around the world.

We have both SSI and PADI diving instructors available to teach Scuba Courses here on Lanta.

Book online to save 10% on dive trips and scuba courses on Koh Lanta.

Lanta Snorkel Trips with Dive & Relax

If you're not yet ready to go diving around Koh Lanta, we also offer guided snorkel trips from Koh Lanta in very small groups to the same superb locations only normally visited by our diving guests.

Here at Dive & Relax on Koh Lanta, all our snorkel guides are also professional divers, who love to show non divers the wonderful coral reefs and thriving marine life around Koh Lanta.

Snorkel @ Koh Haa with Dive & Relax

Once you've had a chance to experience our great personal service, coral reefs, and wonderful staff, you might just be tempted to try PADI Discover Scuba Diving here on Lanta.

Koh Lanta Private Speedboat Charter with Dive & Relax

For the perfect Koh Lanta diving or snorkel trip, you can also privately charter a speed boat on Koh Lanta to some of the most beautiful islands, beaches, and coral reefs around Koh Lanta.

The ultimate way to avoid the crowds; design your own custom Lanta diving or snorkeling trip, decide your activities, choose the destination, and let our fantastic staff take care of you on a truly memorable day out for you and your family.

Koh Lanta Archipelago

Koh Lanta isn't just a diving destination, visitors also love to explore and enjoy the island itself. Despite being one of Thailand's largest islands, Koh Lanta remains relatively unknown, often overlooked by the vast majority of visitors to Thailand.

At approximately 25 km long and 4 km wide, the more laid back island of Koh Lanta has avoided the crowds and mass-market tourism of places like Phuket, Phi Phi, Ao Nang or Koh Tao.

Take a traditional longtail boat trip on Lanta

With amazing sunsets, long sandy beaches, and great transport links, not only is it easy to get to Koh Lanta, you can also use Koh Lanta as a base to explore Krabi, Ao Nang, Koh Jum, Koh Phi Phi, Koh Mook, Koh Kradan, Koh Lipe and the quieter southern islands.

The best time to visit us for diving here at Dive & Relax on Koh Lanta is determined by the weather and wind direction, with the westerly prevailing winds from October to May bring the high season weather, and the easterly monsoon winds from June to early October bring the low season storms.

Book online to save 10% on dive trips and scuba courses on Koh Lanta.

What Do Our Customers Say?

Check out some of the reviews and comments left on TripAdvisor by our previous divers and snorkelers:

  • Claudia B

    Amazing People

    Great Dive Shop. Amazing Guides and super nice Crew. Delicious Lunch and a nice Boat. Highly recommend and I will come back for sure!

    Nov 2023

  • Andrew T

    Felt like a private tour

    We did 2 days of diving with Dive and Relax. I can’t think of anything we did other than just that, Dive and Relax. The boat is clean, fast and comfortable. The lunch is great. Staff is unbelievably good, the only time I touched my gear is when I was putting it on my body. They handled literally everything. Kudos to Zach for being an unbelievable dive guide. Honestly felt like I was diving with a friend after our 2nd day. He was attentive, friendly, and best of all a great dive guide. We saw Leopard Shark which was a huge plus.

    Oct 2023

  • Zivile J

    5 star diving centre

    Excellent dive centre, uber fast boats, great crew & catering aboard. You are truly relaxed aboard with all kit / tank swaps etc. taken care of by the crew. Simply hop on the boat and enjoy the fast ride to the most incredible dive sites. I have qualified as a rescue diver with Karl who was excellent guiding me through the EFR & rescue course. I was worried that due to my travel disruption I would struggle to concentrate completing my cert, however dive and relax crew worked at my pace to ensure I have qualified. Castaway resort where the dive centre is located is great to grab a refreshing drink after diving adventures. Dive sites are incredibly beautiful from above and below, I saw black tips at Koh Bida, colourful & lively reef at Koh Haa and the scenery was simply stunning. I have thoroughly researched dive centres in Lanta for my certification and I am glad I have chosen Dive & Relax. Everyone is super friendly and great fun to dive with. Very knowledgeable dive guides. A huge thank you to the team at Dive and Relax for taking care of me during my solo trip to Thailand.

    Apr 2023

  • Bernd K

    Had a great time

    Had a great time with Dive & Relax. We had 4 dives in 2 days and different sites. Organization is very professional, team very nice and helpful. Lunch provided on the boat was fantastic. Was there with my son and we definitely recommend diving with them.

    Apr 2023

  • platon p

    Gute Tauchschule!

    Professionell und gut organisiert, gute Beratung. Eigene kleinere boote. Abholung direkt vom Strand!Alles in allem gut!

    Apr 2023

  • matlamont

    Brilliant Experience and Team

    We did a private charter for 5. 3 adults and 2 kids (14&12). We did intro dives. The instructors were fantastic. Judith managed to get our fairly nervous daughter to try diving and she eventually loved it. Food provided for lunch was great and it?s amazing to find out that none of the food waste is binned - it all goes back to feeding the chickens.

    Apr 2023

  • Nic

    Stunning dive and day at sea.

    What an amazing day we had with Dive and Relax. It was so well organised and planned from the start. My daughter who was unsure to start with absolutely loved the dive! Not wanting it to end, thanks to the experienced and friendly instructors who guided her along the dive. We all had a great day and saw many different fish and coral throughout the day. The colours under sea were stunning. Freshly cooked lunch on a beautiful island added to the fantastic memories we made. This day was definitely a favourite of the whole holiday and we can?t wait to go back again one day.

    Apr 2023

  • luzellej

    Can find no fault!

    My daughter and I recently visited Koh Lanta and booked 2 fun dives with Dive&Relax. Wish we had time for more diving. I really can't find any fault. Cameron was super fast with information and very clear instructions. Karl accompanied us on the dives - very knowledgeable and friendly. The boat although small was well organised and fast. Lunch was delicious. Book with them and enjoy!

    Apr 2023

  • Lena J

    Relaxing and lovely

    They really live up to their name. We had 4 incredible dives with Dive and relax and it was very nice, slow and easy as we prefer. We went to Hin Muang and Hin Daeng which was amazing and some of the best dives we have experienced. They are very proffesional with focus on safety, and the briefing is thorough. We thank the team very much for these experiences, and would love to be back for more incredible dives. All the best Lena and Leo

    Mar 2023

  • Vicky L

    Fantastic experience and an incredible team!

    Recently went to Thailand for our honeymoon and wanted to do some diving. Having done extensive research to find the best dive centre in the Koh Lanta area, I got in contact with Cameron. He was very helpful and quick to respond whenever we had any questions leading up to the dive. Our instructor Judit was everything we could have wanted! She was calm and very professional throughout. Again, she was there to answer any questions we had at all, and we were extremely well looked after. Everything from start to finish ran smoothly! We enjoyed it that much, we are planning on returning next year to do my open water qualification and my husbands refresher. Thanks again to all of the team, we couldn?t have asked for better!

    Mar 2023

Load More Comments

This is just a small selection of more than 1,200 comments, e-mails and online reviews left by our wonderful customers over the years.

You can find 100's more reviews of our excellent service:


Dive Trips & Scuba Courses

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    • when will you arrive on Koh Lanta?
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