Ko Lanta is a fantastic place for full-day tours because of its easy access to nearby islands, rich marine life, and lush mangrove forests. Whether you want to explore underwater worlds, paddle through caves, or relax on pristine beaches, Ko Lanta offers a variety of options. We especially like the PADI Discover Scuba Diving Experience, which combines personalized instruction with the thrill of exploring Thailand’s waters. Its small group size and inclusive transport make it a top choice for those new to diving or looking for a safe intro.
This guide features a mix of snorkeling, kayaking, and island-hopping tours. Each one offers something unique — from exploring mangroves and caves to discovering the famously clear waters of Koh Rok and Haa Islands. Whatever your interest, there’s an adventure waiting in Ko Lanta’s shimmering waters and lush islands.
1. PADI Discover Scuba Diving Experience Full Day Trip
At number 1, this PADI Discover Scuba Diving Experience offers an ideal introduction to underwater exploration. For around $200, you’ll get approximately 8 hours of diving, including two dives led by an experienced instructor. The tour’s small group size — just four people max — ensures personalized attention, making it perfect if you’re nervous or new to diving.
Depending on the season, you’ll visit either Koh Haa (October to May) or the Bida Islands (May to October). Both locations feature crystal-clear waters and vibrant marine life. The tour includes breakfast, lunch, snacks, and roundtrip hotel transport, making it a hassle-free day. Reviewers praise the professionalism and friendliness of the guides, and the experience of seeing Thailand’s underwater beauty firsthand. If you want a memorable, safe introduction to diving, this tour delivers.
Bottom Line: Best for first-timers wanting a safe, small-group experience with all logistics handled.
2. Ko Lanta: Full-Day Mangrove and Sea Cave Kayaking Experience
Number 2 on our list is the Mangrove and Sea Cave Kayaking tour, priced at just $47. It’s a great choice for travelers who want to combine gentle paddling with wildlife spotting and scenic exploration. The 6-hour trip includes visits to Koh Talabeng, where you’ll explore pirate caves and spot fiddler crabs and sea eagles, and the beautiful crystal caves with stalactites and stalagmites.
Guided by knowledgeable locals, you’ll paddle through tranquil mangroves and into sea caves, with time to swim and enjoy a relaxed lunch on a pristine beach. This tour’s reviews highlight the personal touch of guides and the chance to see both wildlife and stunning rock formations. It’s perfect if you prefer a more laid-back, nature-focused day.
Bottom Line: Ideal for nature lovers, families, and those seeking a peaceful day with gentle activity.
3. A full Day Haa & Rok islands from Koh Lanta (By Speed Boat)
Number 3 is the Haa & Rok Islands snorkeling trip, offering a full day of snorkeling adventure for about $47. This trip takes you by speedboat to Koh Rok Nai, Koh Rok Nok, and Koh Haa — some of the best snorkel spots in the region. The guides facilitate multiple snorkeling stops, giving you ample opportunity to see colorful fish and coral.
A buffet lunch on the beach provides a relaxing break, and the crew is known for their friendly care. The trip is suitable for those who love marine life and want to maximize their underwater viewing in a single day. With several reviews noting spectacular snorkeling and tasty food, this is a value-packed option.
Bottom Line: Perfect for snorkelers wanting to visit multiple, renowned reefs in one day.
4. Ko Lanta: Full-Day Mangrove Kayaking 2 Islands 2 Caves 2 Kayak
Coming in at number 4, this Mangrove Kayaking tour combines adventure and relaxation. Priced at about $46, it offers a full day exploring mangroves, caves, and beaches — perfect for travelers who want an active, nature-centered day. You’ll paddle through scenic mangroves, spotting monkeys, crabs, and climbing fish, then explore two sea caves with impressive stalactites and stalagmites.
The tour includes stops for swimming and relaxing on beautiful beaches, plus a tasty lunch. The reviews emphasize the peaceful paddling and the thrill of entering hidden caves. It’s well suited for those who want a full immersion in nature’s quiet beauty without strenuous activity.
Bottom Line: A great choice for active travelers and nature enthusiasts wanting a full day of kayaking and cave exploration.
5. Form Ko Lanta Full-Day 3 Islands 2 Caves 2 Kayaking Skull Island
Number 5 features the Full-Day Island & Cave Tour, offering a full 7-hour adventure at around $48. It covers three islands — Koh Aung, Ghost Island (or Skull Cave), and Talabeng — with opportunities for kayaking, snorkeling, and exploring caves. The tour includes a visit to Skull Cave, where stalactites and stalagmites create an otherworldly scene.
A highlight is the visit to Koh Aung, with stunning scenery perfect for photos, and a delicious local lunch. Reviewers praise the diversity of the itinerary and the friendly guides, making it ideal for travelers who want to mix water activities with scenic island visits.
Bottom Line: Suitable for explorers interested in both caves and island scenery, with a balanced mix of adventure and relaxation.
$47.94 per person
6. Full Day Sea Cave Kayaking Small Group From Koh Lanta
Number 6 offers the Small Group Sea Cave Kayaking tour, priced at about $62. It’s perfect for travelers who prefer a more intimate experience in a group of 2-8 people. The focus is on exploring caves and mangroves, with chances to see small wildlife like lizards and monkeys.
Guided by experts, you’ll paddle into caves with stunning stalactites, enjoy swims in emerald waters, and visit Koh Talabeng. The tour emphasizes personalized service and a relaxed pace, with reviews citing excellent guides and smooth logistics.
Bottom Line: Best for those seeking a small-group, personalized kayaking adventure with cave exploration.
$61.59 per person
7. A full day exploring kayaking 3 islands (Talabeng sea cave)
Number 7 is a comprehensive day of kayaking at about $38. This tour covers Koh Aung, Koh Talabeng, and Koh Bubu, with scenic mangrove forests, sea caves, and beaches. It’s particularly flexible, with an extensive timetable (9 to 16 hours), making it ideal for adventurous travelers with plenty of time.
The highlight is exploring Talabeng Sea Cave and relaxing on beaches. Reviewers appreciate the varied activities, tasty lunch, and the chance to see wildlife like monkeys and fish. It’s perfect if you want a full day immersed in nature, with plenty of kayaking.
Bottom Line: Suitable for active, flexible travelers eager for a full day of island exploration.
8. Full Day Sea Cave and Mangrove Kayaking Tour From Koh Lanta
Number 8 features a Sea Cave & Mangrove Kayaking tour, costing about $58. It includes hotel transfers, a scenic paddle through mangroves, and cave exploration, with options for swimming and snorkeling at Bu Bu Island.
The tour emphasizes ease of access and small group intimacy, with reviews highlighting friendly guides and smooth logistics. It’s a good pick for travelers wanting a balanced day of paddling and beach time without overdoing it.
Bottom Line: A comfortable, well-organized day for those who want to explore caves and mangroves without strenuous activity.
9. A full day Kradan + 4 island (By longtail Boat)
Number 9 offers a unique island-hopping experience for about $32. Visiting five islands, including Koh Chueak and Koh Maa, it combines snorkeling, sunbathing, and a swim into the Emerald Cave at Koh Mook. The longtail boat ride adds a traditional touch, and the included buffet lunch makes it a relaxed day out.
This tour is ideal for those who want to explore a variety of islands without rushing, with a focus on snorkeling and beach time. Reviewers mention the smaller groups and hassle-free transfers as strengths, making it suitable for budget-conscious travelers.
Bottom Line: A good budget option for those who want a diverse island experience.
10. Ko Lanta: Full-Day Love Kayak Caves & Beaches Kayak Tour
Number 10 is the Love Kayak Caves & Beaches tour, around $58. It combines kayaking with visits to Talabeng Cave and Talabeng Island, along with a tasty lunch. The focus is on paddling through scenic waters and enjoying the impressive rock formations.
Ideal for travelers seeking a relaxed, scenic paddle in a small-group setting, reviews note the friendly guides and beautiful caves. It’s best suited for those who want a comfortable, scenic day on the water.
Bottom Line: Perfect for scenic paddling and exploring caves in a relaxed atmosphere.
$58 per person
11. Full-Day Phi Phi Lah, Phi Phi Don, from Koh Lanta (By Speed Boat)
Number 11 offers a speedy exploration of the Phi Phi Islands for about $47. This full-day tour includes visits to Viking Cave, Monkey Beach, and Phi Phi Don, with free time for swimming and snorkeling. It’s an efficient way to see these iconic sights, especially suited for travelers with limited time.
Guests praise the opportunity to explore multiple spots in one day and the chance to snorkel in vibrant waters. It’s best for active travelers who want to mix sightseeing and relaxation without spending multiple days.
Bottom Line: Ideal for those wanting a quick but comprehensive Phi Phi Islands experience.
$47.07 per person
12. Ko Lanta: Maya Bay & Phi Phi Islands Full-Day Speedboat Trip
Rounding out the list, this Speedboat Trip to Maya Bay & Phi Phi offers a 1-day journey to famous spots like Maya Bay and Bamboo Island. For about $65, you get multiple snorkeling stops, wildlife viewing, and the chance to relax on the sandy shores.
Reviewers love the excitement of a fast-paced day on the water, with highlights including snorkeling at Shark Point and monkey sightings. It’s best for active travelers who want to see the highlights of Phi Phi in one day.
Bottom Line: Perfect for travelers wanting a lively, all-in-one day trip to Phi Phi’s top spots.
$65 per person
How to Choose the Right Full-Day Tour in Ko Lanta
When selecting a tour, consider your budget, interests, and physical fitness. If you’re new to diving, the Discover Scuba Diving offers a safe introduction. For wildlife and cave enthusiasts, tours that involve kayaking and exploring mangroves or sea caves—like the Mangrove and Sea Cave or Sea Cave Kayaking—are ideal.
For snorkel lovers, trips to Koh Rok and Haa Islands deliver vibrant marine life, while island-hopping tours like the Kraden + 4 Islands are great for those who want to explore many spots in one go. Budget travelers might prefer shorter, more affordable tours, while those seeking a quieter, personalized experience should opt for small-group options.
Booking early is wise, especially during peak season (November to April), to secure your preferred date and ensure availability.
Final Thoughts
Ko Lanta offers a wide spectrum of full-day trips, from diving and snorkeling to kayaking and island hopping. If you’re a first-timer, the Discover Scuba experience combines safety with adventure. For wildlife lovers, kayaking tours through mangroves and caves provide intimate encounters with nature. And if exploring multiple islands is your goal, the Haa & Rok Islands snorkel or Kraden + Islands tours are hard to beat.
No matter your choice, booking early and matching the tour to your interests will ensure a memorable day. Ko Lanta’s waters and islands promise plenty of beauty—so go ahead, pick your adventure, and enjoy every minute.