Top Koh Samui Eco Tours

Get a comprehensive tour of Angthong Marine Park—and its 42 islands dotting the bright blue sea—on this full-day tour from Koh Samui. Activities include kayaking and snorkeling; all instruction and equipment are provided so even beginners can participate. Your guides will provide in-depth narrative about the environment, flora, and fauna so you can get the most out of your day there. You can paddle into sea caves and snorkel over coral reefs with your guides by your side helping you feel safe and comfortable.

If you’re looking for an ethical and educational way to see elephants in Thailand, then this is it. Begin with a hassle-free Koh Samui hotel pickup, then set off on an adventure that checks off the Elephant Museum, where you can learn about the relationship between Thai culture and elephants. Later, enjoy an ethical jungle walk to watch elephants roam freely.

This full-day boat tour is one of the most beautiful and popular sea destinations. Discover the Angthong Marine Park (Golden Basin) archipelago with its 42 islands. On this trip you get the opportunity to explore the rock and cave landscapes with a kayak. You will also visit the green emerald lagoon and the island of Wua Talap (sleeping cow's eye) with its incredible viewpoint over the whole Angthong national park and a remarkable stalactite cave. As well you have enough time for sunbathing, swimming and snorkeling at the most beautiful beaches

With this guided tour, you can discover one of the biggest elephant sanctuaries on Koh Samui with ease. Instead of waiting around for local buses, the trip includes round-trip transfers directly from your Koh Samui hotel. Then, once at the Elephant Care Sanctuary, observe elephants in their natural surroundings and learn about local conservation efforts.

Your tour offers a perfect balance of culture, nature, and comfort in one seamless experience. Enjoy small-group travel, hotel roundtrip transfers, knowledgeable local guides, and carefully selected highlights including iconic temples, scenic viewpoints, a jungle waterfall, and unique natural landmarks, designed for a relaxed, authentic Koh Samui experience without rushing.

Koh Tao is renowned for its magnificent coral reefs and diverse marine life, and lies just a short boat ride from Koh Samui. This tour is the ideal way for non-divers to experience the island’s underwater world. Hop aboard for a scenic cruise around the island, stopping to swim and snorkel at three different sites throughout the day. Escape the crowds at less busy spots and enjoy plenty of attention from your guides with this small-group tour.

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.

Head out on an adventure through the jungle of Koh Samui on this guided all-day tour. Travel via rugged Jeeps to the Grandfather and Grandmother Rocks (Hin Ta and Hin Yai), the Na Muang Waterfall where you can go for a swim, and the Khunaram Temple. Enjoy a traditional Thai lunch at a local beachfront restaurant.

Explore more of the stunning islands in Mu Ko Ang Thong National Park on this full-day kayaking tour from Ko Samui. Travel in comfort aboard a spacious well-equipped boat and stop at several calm water destinations where you can go kayaking. You’ll also visit sea caves, a lake, and white-sand beaches at Koh Mae Ko, and have a light breakfast and buffet lunch provided.

This trip to Angthong Marine Park from Koh Samui lets you experience the area's many highlights in just one day. Travel in comfort on a spacious 3-deck boat, and enjoy activities such as kayaking along the coastline and hiking on Mae Koh Island. Enjoy a mix of structure and relaxation—on Wua Talap Island, you can swim, snorkel, or sunbathe on the beach.

Make the most of your time in the Angthong archipelago by booking a tour on a fast speedboat. Once you arrive in the area, comprised of 42 islands, you'll have kayaking and snorkeling equipment at your disposal to explore on your own. You can also take to the shores and climb to the top of Mae Koh Island for panoramic views of the surrounding islands. Meals, snacks, and round-trip transportation make this a convenient experience.

Explore the Gulf of Thailand on this full-day tour with snorkeling stops at Koh Nangyuan and Koh Tao. Hike to the stunning Nangyuan viewpoint, snorkel at the Japanese Reef Garden, and enjoy a Thai-style lunch before visiting Ao Hin Wong and Lighthouse Bay. With hotel transfers, a light breakfast, and guided snorkeling, this tour offers a seamless way to experience the region’s underwater beauty and pristine beaches.

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 crystal clear waters and idyllic jungle-clad islands of Angthong Marine Park on this snorkelling and kayaking group tour from Koh Samui. Start your day with a ride in a speedboat out to the remote archipelago, where you spend hours visiting untouched islands and hiking up to viewpoints, snorkeling in secluded lagoons, and kayaking across the glassy waters, before feasting on a buffet lunch.

Pair hard-to-access parts of Koh Samui with signature island sights on this small-group door-to-door day trip in rugged 4WDs that eat up mountain tracks. Immerse in local culture at the Big Buddha Temple, Wat Plai Laem, and Guan-Yu Koh Samui Shrine; discover rural life at a rubber plantation, a coconut grove, and the Na Muang Waterfall; and capture photos at the Secret Buddha Garden and a viewpoint. Lunch is included.

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.

This is a great pick for time-tight travelers who are keen to see multiple Koh Samui highlights in a day. Save time researching your itinerary and planning transport—this convenient tour includes hotel pickup and door-to-door transfers. Ride comfortably in an air-conditioned vehicle, and visit a mix of temples, shrines, and natural wonders—including the Big Buddha temple, Lad Koh viewpoint, Guan Yu Shrine, and Na Muang waterfall.

Discover Koh Wao's underwater wonders, indulge in Thai cuisine on Koh Paluay, and encounter friendly pigs on Koh Madsum. Enjoy exclusive access to these hidden gems untouched by crowds during Ang Thong's closure from November until 15th December.