Koh Lanta National Park is a protected area located on the southern tip of Koh Lanta Island in the Krabi Province of Thailand. It covers an area of 134 square kilometers and was established in 1990 to preserve the natural beauty of the island and its surrounding marine environment.
The park features a diverse range of ecosystems, including pristine beaches, dense forests, and coral reefs. Visitors can explore the park by hiking through the jungle, snorkeling or scuba diving in the clear waters, or simply relaxing on one of the many secluded beaches.
Hin Daeng, which means “Red Rock” in Thai, is made up of two submerged pinnacles, with the larger of the two surrounded by a sandy bottom deeper than 60 meters. The rock formations are covered in colorful soft corals and sea fans, providing a stunning backdrop for divers.
Hin Daeng is known as one of the best dive sites in the area due to its vibrant marine life, clear waters, and dramatic underwater landscapes. The visibility at Hin Daeng is typically excellent, with crystal-clear waters offering visibility of up to 30 meters or more. However, due to strong currents, it is recommended that only experienced divers visit this site.
Divers at Hin Daeng can expect to see a diverse range of marine life, including schools of barracuda, trevally, and tuna. Reef sharks, including blacktip, whitetip, and leopard sharks, are also commonly seen at the site. In addition, there are opportunities to spot larger creatures such as manta rays and whale sharks, especially during the peak season from December to April.
Hin Daeng is also home to an abundance of colorful reef fish, including angelfish, butterflyfish, and parrotfish. Macro enthusiasts can spot a variety of invertebrates such as nudibranchs, and there are also opportunities to see octopus, cuttlefish, and other cephalopods.
Mu Ko Lanta National Park
Hin Muang means “Purple Rock” in Thai and lies just a few metres southeast of Hin Daeng. This submerged pinnacle rises from the seafloor to within a few metres of the surface, with its highest point reaching a depth of around 8 metres.
Visibility at Hin Muang is generally excellent, with crystal-clear waters offering up to 30 metres of visibility or more. However, strong currents can occur at the site, so it is important to dive with an experienced guide who can advise you on the best conditions for your dive.
Overall, Hin Daeng and Hin Muang are must-visit dive sites for anyone travelling to the Andaman Sea in Thailand. These spectacular underwater sites offer a unique and exciting diving experience, particularly for experienced divers.
Hin Muang is famous for its vibrant soft corals, sea fans and sponges that cover the rocky formation, creating a spectacular underwater backdrop. The site is also home to a diverse range of marine life, including schools of tropical reef fish, moray eels, octopuses and cuttlefish.
One of the highlights of diving at Hin Muang is the chance to encounter larger marine species such as whale sharks, manta rays, and leopard sharks. The site is particularly well known for whale shark sightings, with these gentle giants known to visit Hin Muang during the high season from December to April.
Hin Muang is known for its vibrant soft corals, sea fans, and sponges that cover the rock formation, creating a stunning backdrop for divers. The site is also home to a diverse range of marine life, including schools of tropical reef fish, moray eels, octopus, and cuttlefish.
One of the highlights of diving at Hin Muang is the opportunity to spot larger marine creatures such as whale sharks, manta rays, and leopard sharks. The site is particularly popular for sightings of whale sharks, which are known to visit the site during the peak season from December to April.
Mu Ko Lanta National Park
The name “Koh Haa” means “five islands” in Thai, and the group of islands is made up of five main islands surrounded by crystal-clear waters.
The five islands that make up Koh Haa are Koh Haa Yai, Koh Haa Lagoon, Koh Haa Neua, Koh Haa Sam, and Koh Haa Chan. Each island offers a unique underwater landscape and marine ecosystem, with dive sites ranging from shallow coral gardens to deep walls and caves.
The islands are popular among scuba divers and snorkelers for their stunning underwater scenery, which includes coral reefs, colorful fish, and other marine life. The waters surrounding Koh Haa are also home to several species of sea turtles and sharks.
Koh Haa is renowned for its exceptional diving sites, and it’s difficult to say which one is the “best,” as it often depends on personal preference and experience level.
The best time to dive in Koh Haa is from November to April, during the dry season when the weather is calm and the sea is usually very clear. During this period, the sea conditions are generally good, with calm waters and good visibility, making it easier to spot marine life and explore the underwater world.
The water temperature in Koh Haa generally ranges from 26 to 30°C year-round.
The Chimney is one of the most famous dive sites in Koh Haa. It features a large underwater cave that divers can swim through, with an exit point that leads to a shallow coral garden. Inside the cave, divers can see schools of glassfish, moray eels, and other marine life.
Koh Haa
The Lagoon is a shallow, sheltered dive site that is ideal for beginner divers or those who prefer a more relaxed dive. It features a sandy bottom and a wide variety of soft corals and sea fans. Divers can see many colorful fish species, including angelfish, butterflyfish, and parrotfish.
The Lagoon is a perfect site for a check dive on our cruises leaving from Phuket and heading south.
Koh Haa
The Cathedral is a large cavern with an open top that allows sunlight to filter through, creating a stunning visual effect. The cavern is home to many species of marine life, including lionfish, barracudas, and nudibranchs.
Overall, Koh Haa offers a diverse range of diving sites suitable for all levels of experience, and each site provides a unique and memorable underwater experience.
Koh Haa
Koh Haa is home to a diverse range of marine life, with an abundance of colorful corals, reef fish, and larger marine animals. Some of the most commonly spotted marine life in Koh Haa includes:
Reef Fish: Koh Haa’s coral reefs are home to a variety of reef fish, including angelfish, butterflyfish, parrotfish, and triggerfish. Schools of colorful fish can be seen swimming around the coral formations, and it’s not uncommon to spot larger species like barracudas, groupers, and snappers.
Turtles: Green sea turtles and hawksbill turtles are frequently spotted in Koh Haa’s waters. These gentle creatures can often be seen grazing on seagrass or swimming leisurely around the reef.
Sharks: Several species of sharks can be found in Koh Haa, including reef sharks, leopard sharks, and whale sharks. These sharks are generally harmless to humans and can be seen patrolling the reef or resting on sandy patches.
Rays: Koh Haa is home to a variety of rays, including stingrays, eagle rays, and manta rays. These graceful creatures can often be seen gliding through the water or resting on the sandy bottom.
Nudibranchs: Koh Haa’s reefs are also home to a variety of colorful nudibranchs, which are small, brightly colored sea slugs. These creatures are a favorite among underwater photographers due to their unique colors and patterns.
EXCELLENT
Based on 93 reviews
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Magda KapustaTrustindex verifies that the original source of the review is Google.
My diving cruise with The Smiling Seahorse was absolutely fantastic from start to finish. Everything was extremely well organized and seamless, making the entire vacation completely stress-free and enjoyable. The crew was exceptional — professional, friendly, attentive, and always making sure everyone felt comfortable and safe. The food was amazing throughout the trip, with great variety and quality at every meal. The boat itself is excellent: very comfortable, well maintained, and thoughtfully designed for divers. The cabins are spacious and comfortable, and the common areas are very well organized, giving everyone plenty of space to relax between dives. What truly made the experience unforgettable was the incredible selection of dive spots. Every dive offered something special, with beautiful marine life, stunning coral reefs, and perfectly planned itineraries. Overall, this was a full enjoyment vacation and one of the best liveaboard experiences I’ve had. I highly recommend The Smiling Seahorse to anyone looking for a perfectly organized diving adventure with a fantastic crew and unforgettable diving.Posted on Google![]()
Laura ForsythTrustindex verifies that the original source of the review is Google.
Another vote for the Smiling Seahorse - it's a very good boat. Purpose built for serious diving, the thought and care put into it by its owner and crew really shows. Everything you need is available, easy to access, well maintained and functional, without anything extraneous or funky. There is a devotion to diving, to underwater photography, to the marine life, to the history and natural history of the Similan Islands and Burma, to the guest experience and developing our skills. Our group did the week-long South to North Andaman Sea trip in January 2026, and each day was better than the one before. The diving is exceptional, with healthy corals and masses and masses of fish, even before we got to the climax of Richelieu Rock. They include an black water dive on each trip, a truly unique opportunity. We received tremendous support from the dive guides and the crew alike, who gracefully and respectfully accommodated everyone's needs. Even the little things - one of the deck crew noticed that the little strap connecting the dust cap to my regulator was close to breaking off and offered to repair it. He did a beautiful job and I'll be reminded of his generosity and kindness each time I dive that reg. Our guide, James, has years of experience, like many masters, conveyed his knowledge with simplicity and clarity (and humor - whew!). I became a better diver following his example. I keep remembering the happy anticipation of standing at the stern, all kitted up, waiting for the captain's signal to jump. Next trip - Burma. The cabins are simple and comfortable, although you may want to bring a pad if you're not a fan of firm beds. A/C and hot water in each cabin - all good. Everyone in our group, from the experts with many thousands of dives to the recently certified, to a couple of non-diving spouses, loved the Smiling Seahorse!Posted on Google![]()
Nadine FischerTrustindex verifies that the original source of the review is Google.
We had an amazing time on the Smiling Seahorse liveaboard in Thailand. Everything was well organized, relaxed, and very professional. Our dive guide Julien was fantastic. He showed us beautiful dive sites and even pointed out tiny nudibranchs we would never have seen ourselves. His eye for detail made every dive special. The food was excellent, and the crew was incredibly friendly and helpful, especially when assisting with dive gear. Overall, a wonderful experience – It was our 2nd trip and we will definitely come again!Posted on Google![]()
Udi NehabTrustindex verifies that the original source of the review is Google.
An Unforgettable Week Underwater! I just wrapped up a phenomenal week-long liveaboard trip in the Similan Islands with The Smiling Seahorse team, and I cannot recommend them enough. The dives were absolutely gorgeous, but what really set the experience apart was Julian’s amazing spotting skills—he has an incredible eye and made sure we didn't miss a thing. The entire crew was attentive, professional, and always right there to assist with all of our needs, making the whole week completely seamless. On top of the world-class diving, the food was fantastic. Everything was incredibly tasty, and they offered a great variety of dishes that really hit the spot after a long day in the water. Five stars across the board—if you're looking for a top-tier liveaboard operation, this is the team to go with!Posted on Google![]()
Tsachi YeshurunTrustindex verifies that the original source of the review is Google.
I went for a 9 day dive safari in Myanmar, the mergui archipelago, with the smiling seahorse. One of the unique experiences I had. My first (and second and third) Blackwater dive, dives I will never forget. The staff are wonderful, the dive guides are amazing, they actually care and put in a lot of extra effort and the ship crew were helpful and nice. I dove with Julian, the dive master, who I would dive with anywhere anytime, and we enjoyed the presence of camille, the owner, who lit up the place with her positive energies. I've been on fancier boats, but I enjoyed this one much better.Posted on Google![]()
Lee WaggenerTrustindex verifies that the original source of the review is Google.
Safe, clean, friendly staff always willing to help, easy on and off the boat, good dive sites. Guides are awesome. The dive crew very accommodating. Nice camera room. Keep the same tank entire trip. Some sites we went in small groups in a dingy. The return the dingy would slowly pull you back. Thankful we did nit have to struggle getting back in the dingy Some times we would just float back to the boat. We were divided into groups so everyone wasn’t getting ready at the same time. Plenty of food and snacks. Only complaint is the chairs and beds are hard as cement. Compared to the good stuff that was nothing. I would for sure go again.Posted on Google![]()
Ray BusardTrustindex verifies that the original source of the review is Google.
We did seven days on the Smiling Seahorse level over. The crew the boat everything was amazing. The divers did 20+ dives and as a snooker we did four snorkels, which was totally unexpected and so delightful. Took us to some of the best Dive spots in the world and the pictures proved that’s true. The food on board was over the top!! I would recommend this trip to anybody around the world!Posted on Google![]()
ליאור ארדTrustindex verifies that the original source of the review is Google.
I just returned from a week-long liveaboard with the club, and the experience was simply outstanding. The entire team demonstrated high professionalism throughout, with in-depth safety briefings and modern, well-maintained equipment. A special thanks to our amazing dive guides: James, Velika, Katie, and Mint. Each of them brought great energy and uncompromising expertise. Thanks to them, we felt in safe hands during every dive, and they knew exactly how to lead us to the most beautiful spots in the pristine sites we visited. The boat was very comfortable, and the excellent food between dives rounded out the experience perfectly. This is without a doubt a top-tier diving club, and I highly recommend it to anyone looking for a week of peace and world-class diving!"Posted on Google![]()
Itai StadlerTrustindex verifies that the original source of the review is Google.
An outstanding liveaboard experience from start to finish. The hospitality on The Smiling Seahorse is truly exceptional — warm, attentive, and genuine, making you feel welcome and taken care of at every moment. The dive sites were beautiful and well chosen, offering a great variety and excellent conditions. Each dive felt thoughtfully planned to maximize both safety and enjoyment. What really sets this liveaboard apart is the extraordinary professionalism of the crew and dive instructors. Their experience, calm approach, and attention to detail were evident throughout the trip. Briefings were clear and thorough, underwater guidance was excellent, and safety was always the top priority — without ever taking away from the fun. Highly recommended for anyone looking for high-quality diving combined with top-level service and professionalism. I would gladly dive with them again.Posted on Google![]()
Yossie BarTrustindex verifies that the original source of the review is Google.
It was amazing!!! Katie the diving guide is absolutely magnificent, friendly, crazy in a good way... The team is just extraordinary! Humble, helping wherever they can, the food is delicious and also satisfying, the boys helps greatly every time you come up from a dive... The guides are funny and resourceful... It was really just a perfect time.
EXCELLENT
Based on 227 reviews
Posted on Tripadvisor![]()
Magda KVerified
Fantastic ! My diving cruise with The Smiling Seahorse was absolutely fantastic from start to finish. Everything was extremely well organized and seamless, making the entire vacation completely stress-free and enjoyable. The crew was exceptional — professional, friendly, attentive, and always making sure everyone felt comfortable and safe. The food was amazing throughout the trip, with great variety and quality at every meal. The boat itself is excellent: very comfortable, well maintained, and thoughtfully designed for divers. The cabins are spacious and comfortable, and the common areas are very well organized, giving everyone plenty of space to relax between dives. What truly made the experience unforgettable was the incredible selection of dive spots. Every dive offered something special, with beautiful marine life, stunning coral reefs, and perfectly planned itineraries. Overall, this was a full enjoyment vacation and one of the best liveaboard experiences I’ve had. I highly recommend The Smiling Seahorse to anyone looking for a perfectly organized diving adventure with a fantastic crew and unforgettable diving.Posted on Tripadvisor![]()
ScenicPathVerified
A well-run boat with a fantastic crew and dive staff - highly recommended! Another vote for the Smiling Seahorse - a very good boat. Purpose built for serious diving, the thought and care put into it by its owner and crew really shows. Everything you need is available, easy to access, well maintained and functional, without anything extraneous or funky. There is a devotion to diving, to underwater photography, to the marine life, to the history and natural history of the Similan Islands and Burma, to the guest experience and developing our skills. Our group did the week-long South to North Andaman Sea trip in January 2026, and each day was better than the one before. The diving is exceptional, with healthy corals and masses and masses of fish, even before we got to the climax of Richelieu Rock. They include an black water dive on each trip, a truly unique opportunity. We received tremendous support from the dive guides and the crew alike, who gracefully and respectfully accommodated everyone's needs. Even the little things - one of the deck crew noticed that the little strap connecting the dust cap to my regulator was close to breaking off and offered to repair it. He did a beautiful job and I'll be reminded of his generosity and kindness each time I dive that reg. Our guide, James, has years of experience, like many masters, conveyed his knowledge with simplicity and clarity (and humor - whew!). I became a better diver following his example. I keep remembering the happy anticipation of standing at the stern, all kitted up, waiting for the captain's signal to jump. Next trip - Burma. The cabins are simple and comfortable, although you may want to bring a pad if you're not a fan of firm beds. A/C and hot water in each cabin - all good. Everyone in our group, from the experts with many thousands of dives to the recently certified, to a couple of non-diving spouses, loved the Smiling Seahorse!Posted on Tripadvisor![]()
izacassiaVerified
Best scuba diving Safari in Thailand These guys are incredible! 7 days of diving from the south to the north of the Andaman Sea. The staff are incredibly helpful and the food and atmosphere was great. Special thanks to Velika, our guide, that showed us many sea creatures from the micro (picachu) to the large (white tip shark). It was an adventure! Highly recommended.Posted on Tripadvisor![]()
yiftah sVerified
The smiling seahorse experience Amazing crew, beautiful dives and unbelievable atmosphere... Had the best two weeks of my life! ❤️❤️❤️Posted on Tripadvisor![]()
Udi NVerified
An Unforgettable Week Underwater! I just wrapped up a phenomenal week-long liveaboard trip in the Similan Islands with The Smiling Seahorse team, and I cannot recommend them enough. The dives were absolutely gorgeous, but what really set the experience apart was Julian’s amazing spotting skills—he has an incredible eye and made sure we didn't miss a thing. The entire crew was attentive, professional, and always right there to assist with all of our needs, making the whole week completely seamless. On top of the world-class diving, the food was fantastic. Everything was incredibly tasty, and they offered a great variety of dishes that really hit the spot after a long day in the water. Five stars across the board—if you're looking for a top-tier liveaboard operation, this is the team to go with!Posted on Tripadvisor![]()
Alon kedarVerified
מעל ומבר צללתי אתם באירגון של buddy divers היה נפלא מעל ומעבר לציפיות. הארגון היה מעולה, הצוות מקצועי, תומך ועוזר כל הדרך מלבישת הסנפירים לפני ועד עזרה בכל צורך. תודה גדולה למדריכת צלילה בשם ג׳וי היה נהדר. אלוןPosted on Tripadvisor![]()
Oren KVerified
Wonderful experience with the Smiling Seahorse After 9 wonderful days of a diving safari in Myanmar on the Smiling Seahorse liveaboard, I have to say that it’s been a long time since I’ve come across people who are so professional at what they do. The dive guide team is top notch! The crew that takes care of the boat and the diving equipment is extremely professional, always thinking about every single detail and showing endless care for the guests. The boat feels very homely and warm, and it’s especially well suited for underwater photographers. Simply pure pleasure incredible diving, warmth, and love for the guests both above and below the water. Oren KidronPosted on Tripadvisor![]()
עדי אVerified
Don’t miss this liveaboard trip! The trip was amazing! I had so much fun and I really didn’t want it to end. Velica my guide was the nicest, so caring and professional and fun to dive with, and made me feel very safe. All the stuff was very friendly, professional and personal, and made the whole experience something I’ll never forget. The boat was comfortable and clean, the food was delicious, and the overall vibe on board was relaxed and fun. Beautiful dive sites and amazing dives. I highly recommend it for anyone looking for an unforgettable diving adventure. I would definitely dive with them again!Posted on Tripadvisor![]()
Yossie FeldmanVerified
Amazing experience, go!!! It was amazing!!! Katie the diving guide is absolutely magnificent, friendly, crazy in a good way... The team is just extraordinary! Humble, helping wherever they can, the food is delicious and also satisfying, the boys helps greatly every time you come up from a dive... The guides are funny and resourceful... It was really just a perfect time.Posted on Tripadvisor![]()
Are RVerified
Amazing company to go diving with. They picked us up at Koh Phayam even though they are based in Ranong, and helped us organize our transport onwards from Ranong after the trip. James organizes everything with a steady hand and a twinkle in the eye. You will not be bored during briefings on the smiling sea horse. Our guide, Veli Ka, was just amazing as well. So full of knowledge and safe and fun to dive with. All the crew were really nice - seems like a great work environment. The boat itself was really comfortable with a big lounge, sun deck, AC rooms with private bathrooms. Not crowded at all. The food was mouth watering as well. 5 stars!
Koh Lanta is perfectly located close to many of Thailand’s best dive sites, including the 6 coral-fringed Koh Haa islands, the beautiful diving paradise at Koh Rok, and the two deeper dive sites at Hin Daeng & Hin Muang…
Koh Lanta National Park is a protected area located on the southern tip of Koh Lanta Island in the Krabi Province of Thailand. It covers an area of 134 square kilometers and was established in 1990 to preserve the natural beauty of the island and its surrounding marine environment.
The park features a diverse range of ecosystems, including pristine beaches, dense forests, and coral reefs. Visitors can explore the park by hiking through the jungle, snorkeling or scuba diving in the clear waters, or simply relaxing on one of the many secluded beaches.
Type of dive: Pinnacle, wall dive, coral garden
Depth: 5 meters / More than 30 meters
Visibility: 15 – 30 meters
Difficulty: Advanced
Currents: Moderate to strong
Marine life: ★★★
Lens recommendation: Wide-angle and macro
Overall note: ★★★★★
Hin Daeng, which means “Red Rock” in Thai, is made up of two submerged pinnacles, with the larger of the two surrounded by sandy bottom deeper than 60 meters. The rock formations are covered in colorful soft corals and sea fans, providing a stunning backdrop for divers.
Hin Daeng is known as one of the best dive sites in the area due to its vibrant marine life, clear waters, and dramatic underwater landscapes. The visibility at Hin Daeng is typically excellent, with crystal-clear waters offering visibility of up to 30 meters or more. However, due to strong currents, it is recommended that only experienced divers visit this site.
Divers at Hin Daeng can expect to see a diverse range of marine life, including schools of barracuda, trevally, and tuna. Reef sharks, including blacktip, whitetip, and leopard sharks, are also commonly seen at the site. In addition, there are opportunities to spot larger creatures such as manta rays and whale sharks, especially during the peak season from December to April.
Hin Daeng is also home to an abundance of colorful reef fish, including angelfish, butterflyfish, and parrotfish. Macro enthusiasts can spot a variety of invertebrates such as nudibranchs, and there are also opportunities to see octopus, cuttlefish, and other cephalopods.
Type of dive: Pinnacle, wall dive, coral garden
Depth: 8 meters / Maximum 60 meters
Visibility: 15 – 30 meters
Difficulty: Advanced
Currents: Moderate to strong
Marine life: ★★★
Lens recommendation: Wide-angle and macro
Overall note: ★★★★★
Hin Muang means “Purple Rock” in Thai, is located just a few meters southeast of Hin Daeng. The site is a single-submerged pinnacle that rises from the sea floor to just a few meters below the surface, with the tip of the pinnacle reaching a depth of approximately 8 meters.
The visibility at Hin Muang is typically excellent, with crystal-clear waters offering visibility of up to 30 meters or more. However, strong currents can occur at the site, so it’s important to dive with an experienced guide who can advise on the best conditions for diving.
Overall, both Hin Daeng and Hin Muang are must-visit dive sites for any diving enthusiast traveling to the Andaman Sea region of Thailand. These stunning dive sites offer a unique and exciting diving experience for experienced divers.
Hin Muang is known for its vibrant soft corals, sea fans, and sponges that cover the rock formation, creating a stunning backdrop for divers. The site is also home to a diverse range of marine life, including schools of tropical reef fish, moray eels, octopus, and cuttlefish.
One of the highlights of diving at Hin Muang is the opportunity to spot larger marine creatures such as whale sharks, manta rays, and leopard sharks. The site is particularly popular for sightings of whale sharks, which are known to visit the site during the peak season from December to April.
The name “Koh Haa” means “five islands” in Thai, and the group of islands is made up of five main islands surrounded by crystal-clear waters.
The five islands that make up Koh Haa are Koh Haa Yai, Koh Haa Lagoon, Koh Haa Neua, Koh Haa Sam, and Koh Haa Chan. Each island offers a unique underwater landscape and marine ecosystem, with dive sites ranging from shallow coral gardens to deep walls and caves.
The islands are popular among scuba divers and snorkelers for their stunning underwater scenery, which includes coral reefs, colorful fish, and other marine life. The waters surrounding Koh Haa are also home to several species of sea turtles and sharks.
Koh Haa is renowned for its exceptional diving sites, and it’s difficult to say which one is the “best,” as it often depends on personal preference and experience level.
The best time to dive in Koh Haa is from November to April, during the dry season when the weather is calm and the sea is usually very clear. During this period, the sea conditions are generally good, with calm waters and good visibility, making it easier to spot marine life and explore the underwater world.
The water temperature in Koh Haa generally ranges from 26 to 30°C year-round.
Type of dive: Wall dive, cave, coral garden
Depth: 5 meters / 27 meters
Visibility: 10 – 30 meters
Difficulty: Open Water / Advanced +
Currents: Moderate
Marine life: ★★★
Lens recommendation: Wide-angle and macro
Overall note: ★★★★★
The Chimney is one of the most famous dive sites in Koh Haa. It features a large underwater cave that divers can swim through, with an exit point that leads to a shallow coral garden. Inside the cave, divers can see schools of glassfish, moray eels, and other marine life.
Type of dive: Coral garden
Depth: 0 meters / 6 meters
Visibility: 10 – 30 meters
Difficulty: Beginners / Open Water / Advanced +
Currents: None to Moderate
Marine life: ★★★
Lens recommendation: Macro
Overall note: ★★★★
The Lagoon is a shallow, sheltered dive site that is ideal for beginner divers or those who prefer a more relaxed dive. It features a sandy bottom and a wide variety of soft corals and sea fans. Divers can see many colorful fish species, including angelfish, butterflyfish, and parrotfish.
The Lagoon is a perfect site for a check dive on our cruises leaving from Phuket and heading south.
Type of dive: Wall dive, cave, coral garden
Depth: 5 meters / 30 meters
Visibility: 10 – 30 meters
Difficulty: Open Water / Advanced +
Currents: Moderate
Marine life: ★★★
Lens recommendation: Wide-angle and macro
Overall note: ★★★★★
The Cathedral is a large cavern with an open top that allows sunlight to filter through, creating a stunning visual effect. The cavern is home to many species of marine life, including lionfish, barracudas, and nudibranchs.
Overall, Koh Haa offers a diverse range of diving sites suitable for all levels of experience, and each site provides a unique and memorable underwater experience.
Koh Haa is home to a diverse range of marine life, with an abundance of colorful corals, reef fish, and larger marine animals. Some of the most commonly spotted marine life in Koh Haa includes:
Reef Fish: Koh Haa’s coral reefs are home to a variety of reef fish, including angelfish, butterflyfish, parrotfish, and triggerfish. Schools of colorful fish can be seen swimming around the coral formations, and it’s not uncommon to spot larger species like barracudas, groupers, and snappers.
Turtles: Green sea turtles and hawksbill turtles are frequently spotted in Koh Haa’s waters. These gentle creatures can often be seen grazing on seagrass or swimming leisurely around the reef.
Sharks: Several species of sharks can be found in Koh Haa, including reef sharks, leopard sharks, and whale sharks. These sharks are generally harmless to humans and can be seen patrolling the reef or resting on sandy patches.
Rays: Koh Haa is home to a variety of rays, including stingrays, eagle rays, and manta rays. These graceful creatures can often be seen gliding through the water or resting on the sandy bottom.
Nudibranchs: Koh Haa’s reefs are also home to a variety of colorful nudibranchs, which are small, brightly colored sea slugs. These creatures are a favorite among underwater photographers due to their unique colors and patterns.
Explore the Surin Islands, Richelieu Rock and the Similan Islands.
Prices in Thai baht (THB), per diver. The 10% discount is already applied.