Koh Tao is a renowned snorkeling destination, celebrated for its crystal-clear waters, vibrant coral reefs, and an abundance of marine life. Whether you’re after a relaxing day exploring calm bays or an action-packed adventure with all the bells and whistles, this small island packs a punch. We particularly enjoy the Full Day Snorkeling Adventure around Koh Tao because of its reputation as the best boat for exploring multiple sites, complete with onboard amenities like a waterslide and floating sunbeds. For those seeking a more laid-back experience with stunning scenery, the Koh Tao’s Top Snorkeling Spots by Vintage Wooden Boat offers a charming, intimate way to see the marine world in style. If you prefer an efficient, multi-site tour, the Koh Nang Yuan and Koh Tao 5 Point Snorkeling Tour is packed with five different snorkeling stops, including the famous Koh Nang Yuan.
Below, you’ll find a curated list of the best snorkeling experiences in Koh Tao, each with its distinctive qualities and price points. Whether your priority is the most comprehensive day out or a quick swim in the prettiest spots, this guide will help you find the right fit.
1. Snorkelling Trip 5 Island Tour Around Koh Tao and Koh Nang Yuan
This adventure offers a comprehensive seven-hour tour exploring some of Koh Tao’s top snorkeling sites, including Mango Bay, Shark Bay, and Koh Nang Yuan. The tour is praised for the convenience of hotel transfers and included snorkeling gear, making it easy for travelers who prefer a hassle-free experience. The highlight is the chance to see sea turtles and blacktip reef sharks at Shark Bay, along with the iconic walk and viewpoint at Nang Yuan Island.
The trip includes a delicious Thai lunch and fresh fruit, offering a relaxing break amidst the underwater exploration. The boat features a slide and plenty of space to chill out, making it great for families and groups. Reviewers often mention the professionalism of the crew and the variety of sites visited, which makes it a well-rounded option. For about $26.57, it provides excellent value considering the all-day itinerary and included amenities.
Bottom Line: Perfect for those who want to see multiple sites comfortably with a mix of snorkeling, relaxation, and a tasty meal.
2. Koh Tao Snorkeling Tour to Hidden Bays and Koh Nang Yuan
This group tour, lasting around 6 to 7 hours, is ideal for travelers who love discovering lesser-known spots. It’s priced at around $32.45 per person, offering a good balance of cost and adventure. The trip covers hidden snorkeling bays, including Ao Muang and Ao Hin Wong, as well as the popular Nang Yuan Island, where you can walk over the sand bridge connecting the three islands or enjoy the viewpoint.
Snorkeling equipment and life jackets are provided, so you only need to focus on enjoying the marine life and scenery. The tour includes a lunch box, with fruit and drinks, ensuring you stay energized for the day’s activity. Many reviews highlight the friendly crew and the opportunity to see reef fish and even turtles. Some mention that the first stop at Nang Yuan could be a little long, but overall, it’s a flexible and lively experience.
Bottom Line: Best suited for travelers who want to explore both popular and secret snorkeling spots without breaking the bank.
3. Koh Nang Yuan and Koh Tao 5 Point Snorkeling Tour
This tour aims to maximize your underwater experience with five snorkeling stops, including Japanese Gardens, Mango Bay, and Hin Wong Bay. It lasts about 6 to 7 hours and costs roughly $26.36. The tour is designed for those who want to see a variety of marine environments in one day.
The trip includes snorkeling gear, a buffet lunch, and insurance, making it a solid choice for travelers who value convenience and safety. Notable sites include coral reefs, sea anemones, and colorful tropical fish, with opportunities to spot Nemo and sea turtles. Reviewers mention the smooth organization and the chance to visit multiple sites without extra hassle. The only downside some note is the shorter time at each stop, but the variety compensates for that.
Bottom Line: A practical, well-rounded tour ideal for snorkelers eager to pack in the most sites in a day.
4. Koh Tao’s Top Snorkeling Spots by Vintage Wooden Boat
For around $71.78, this eight-hour voyage offers a unique experience aboard a vintage wooden boat. This tour visits six stunning snorkeling spots, including Nang Yuan Island, Japanese Gardens, and Shark Bay, famed for harmless blacktip reef sharks and sea turtles. The boat’s nostalgic charm and comfort set it apart, with plenty of space for relaxing, kayaking, or paddleboarding after your swim.
Guides will take you to the best marine habitats, with opportunities to see sardines, trevally, and a variety of small sharks. The tour also provides snacks, drinks, and a buffet lunch, making it a full-day outing. Guests rave about the ambiance of the vintage boat and the variety of locations visited, which is ideal for travelers looking for a more stylish, leisurely experience.
Bottom Line: Perfect for travelers who want a scenic, comfortable, and comprehensive day exploring Koh Tao’s top snorkeling sites in style.
5. Full Day Snorkeling Adventure around Koh Tao
This popular tour is rated the highest for its value, with over 1,700 reviews, and costs just $23.61. It lasts about seven hours and features the best of Koh Tao’s underwater attractions. The boat is equipped with an onboard water slide, climbing wall, diving board, floating sun beds, and an air-conditioned cabin — a true floating playground.
The tour visits all major snorkeling sites and includes a hike to Nang Yuan viewpoint for panoramic views. The crew is known for being friendly and the itinerary packed with marine encounters, including baby sharks and turtles. Reviewers often mention the good food and the fun atmosphere. Some find the boat a bit crowded, but most agree it’s an unbeatable mix of adventure and comfort for the price.
Bottom Line: An excellent choice for families and groups wanting a lively, all-inclusive day with plenty of activities and marine life.
$23.61 per person
6. Koh Tao, Koh Nangyuan and Hidden Bays Snorkeling with Lunch
This half-day tour, at around $26.98, offers a good option for travelers short on time but still eager to see Koh Tao’s underwater treasures. It includes visits to Koh Nang Yuan, Shark Bay, and hidden bays, with a lunch included. The tour focuses on experiencing the beauty beneath the waves, with opportunities to spot sea turtles and shoals of fish.
It’s a quieter option compared to full-day tours, ideal for those who want a relaxed, focused experience in about six hours. The marine sites visited are known for their colorful fish and coral, making it a satisfying snapshot of Koh Tao’s underwater world.
Bottom Line: Best for travelers wanting a shorter, less intense snorkeling day that still includes the must-see spots.
How to Choose Your Perfect Snorkeling Tour in Koh Tao
When selecting your ideal adventure, consider your budget, time available, and interest level. For example, if you’re after the most sites and a lively atmosphere, the Full Day Snorkeling Adventure offers fantastic value and fun features. If you prefer a more relaxed, scenic journey with vintage charm, the Koh Tao’s Top Snorkeling Spots by Vintage Wooden Boat might be your best bet.
For those on a budget or who want to explore lesser-known locations, the Koh Nang Yuan and Koh Tao 5 Point Snorkeling Tour provides a great variety at a reasonable price. Meanwhile, if time is tight but you still want a quality experience, the Koh Tao, Koh Nangyuan and Hidden Bays Snorkeling with Lunch offers a quick but satisfying trip.
Booking early is strongly recommended, especially during peak season from November to April, to secure your preferred date and tour. Consider your fitness level and comfort with boat rides, as some tours involve longer boat trips or multiple stops.
To sum it up, Koh Tao offers a diverse selection of snorkeling experiences that cater to all kinds of travelers. Whether you’re after an all-day adventure, a scenic boat ride, or exploring hidden bays, you’ll find options that fit your style and budget. Our top picks include the Full Day Snorkeling Adventure for its lively atmosphere and value, and the Vintage Wooden Boat tour for a more relaxed, stylish outing. Book early, pack your swimwear, and prepare for a memorable underwater journey—Koh Tao’s reefs won’t disappoint.