Koh Nang Yuan is a small island located just minutes by boat from the popular island of Koh Tao. It consists of three smaller islets connected by a sandy isthmus, which creates a distinctive shape resembling the number 8. It is this unique landscape that makes Koh Nang Yuan one of the most photographed places in Thailand.

The island is most famous for Nangyuan Island Beach, which has been recognized as one of the most beautiful beaches in the country. The white soft sand and crystal clear water create ideal conditions for relaxation and swimming. However, the real treasures of Koh Nang Yuan are hidden under the water.

The waters surrounding the island are home to a rich marine ecosystem. The coral reefs that surround Koh Nang Yuan are in excellent condition, a rarity these days. Hundreds of species of colorful tropical fish can be found here, as well as sea turtles and reef sharks. This makes Koh Nang Yuan a paradise for snorkeling and diving enthusiasts.

One of the most popular places to explore the underwater world is the area known as หินตาโต๊ะ. It is a rock formation that protrudes above the surface of the water, but its true beauty lies beneath the surface. Surrounding the rocks are numerous caves and tunnels that create a fascinating maze to explore. Divers can enjoy the colorful corals, sea sponges and countless schools of fish that inhabit these waters.

It is worth remembering that admission to the island is charged at 100 baht per person (as of 2024). The island is open to visitors until 5 pm, which is worth taking into account when planning your visit. Plastic bottles and commercials are also banned on Koh Nang Yuan, as part of efforts to protect this unique ecosystem.

One of the most exciting aspects of diving around Koh Nang Yuan is the exploration of underwater caves and grottoes. These natural rock formations create a fascinating world that attracts divers from all over the world.

Nang Yuan Terrace is one of the most popular dive sites in the area. It's an area where you can find numerous small caves and crevices in the rocks, which are home to a variety of marine life. Here divers can see colorful gorgonians, soft corals and countless species of reef fish. The area is suitable for both beginners and advanced divers, offering depths from 5 to 30 meters.

Another fascinating site is the area known as the 'Chimney' (Chimney). This is a vertical tunnel in the rock that leads from a depth of about 18 meters up to the surface. Passing through this natural chimney is an unforgettable experience for any diver. Inside, you can admire a variety of marine life that has adapted to living in the twilight.

For more experienced divers, Koh Nang Yuan also offers the opportunity to explore deeper caves. Note, however, that cave diving requires special skills and equipment, so always use experienced instructors and guides.

However, not only divers can enjoy the beauty of Koh Nang Yuan's underwater world. Snorkeling practitioners also have much to discover. The shallow waters around the island are full of life and color. Particularly recommended is the place known as 'Japanese Gardens', where even while swimming on the surface you can admire the magnificent coral reefs and schools of tropical fish.

Also worth mentioning is Koh Nang Yuan Viewpoint, which, although located above water, offers a spectacular view of the waters and coral reefs surrounding the island. Climbing to the viewpoint takes about 10-15 minutes and requires some effort, but the views from the top are worth every drop of sweat.

When planning a visit to Koh Nang Yuan, there are a few important things to keep in mind to help make your stay on the island as enjoyable and hassle-free as possible.

First, the best time to visit the island is from March to September, when the sea is calm and underwater visibility is at its best. During these months, conditions for diving and snorkeling are ideal.

The island can be reached by boat from nearby Koh Tao. Cruises run regularly and last about 15 minutes. Fares range from 300 to 500 baht round trip, depending on the operator and time of day.

It is worth remembering that on Koh Nang Yuan there are certain rules to protect the environment. As mentioned earlier, it is prohibited to bring plastic bottles and bags. Drinks can be purchased on the island, but prices are slightly higher than on the mainland.

For those interested in diving, there are several dive centers on the island offering courses and expeditions for people of all levels. Prices for diving with an instructor start at around 2,500 baht for two dives (as of 2024).

If you're planning a longer stay, consider staying at Nangyuan Island Dive Resort, the only hotel on the island. Staying here allows you to enjoy the beautiful views and tranquility of the island after the last tourists have departed.

All in all, Koh Nang Yuan is a place that offers an unforgettable experience both above and below the water. Beautiful beaches, fascinating caves and a rich marine ecosystem make it a must-see on the map for any diving and snorkeling enthusiast visiting Thailand. Whether you're an experienced diver or just beginning your adventure into the underwater world, Koh Nang Yuan has something to offer for everyone. But remember to enjoy this beauty responsibly, respecting nature and contributing to the preservation of this unique ecosystem for future generations.