Things to Do in Koh Chang

Trekking in Mu Ko Chang National Park

Mu Ko Chang National Park covers a significant portion of the island's interior. Trekking through it is the best way to understand why this place feels so different from southern Thailand's resort islands. The trails cut through dense, dripping rainforest. The canopy blocks most of the light. The air smells of wet earth and decomposing leaves. You will hear the call of hornbills overhead. If you are quiet enough on the trail toward Khlong Phlu Waterfall, you will hear something else. It is the splash of long-tailed macaques launching themselves into the pool below the falls. Go early in the morning. By mid-afternoon the popular trails near Khlong Phlu get busy. The light inside the forest is best before ten.

Snorkeling around Southern Satellite Islands

Snorkeling around the southern satellite islands puts you over some of the clearest water in the Gulf of Thailand. Focus on the cluster near Koh Rang. The coral here tends toward staghorn and brain coral in shallow beds. The visibility on a calm day lets you spot parrotfish, clownfish, and the occasional sea turtle from the surface. You do not need to dive. Most boat trips depart from Bang Bao pier. The ride out is part of the experience. The long-tail boats cut through water that shifts from murky green near shore to a startling transparent blue once you clear the headland.

Night Markets

The night markets on Koh Chang rotate between beaches on different evenings. The one at White Sand Beach is worth timing your week around. Rows of stalls send up clouds of charcoal smoke from grills loaded with prawn skewers, chicken satay, and whole fish rubbed with turmeric and lemongrass. The sweet stall at the far end has the longest queue. It sells mango sticky rice with coconut cream so fresh it is still warm. Wander past the clothing and souvenir tables toward the back. You will find local vendors selling dried seafood and chili pastes. These make far better souvenirs than anything with an elephant print on it.

Kayaking through Mangrove Forests

Kayaking through the mangrove forests on Koh Chang's eastern coast feels like it belongs on a different island entirely. The east side is quieter. It is less developed. The mangrove channels are narrow enough that your paddle brushes the aerial roots on both sides. You disturb fiddler crabs that scatter sideways into the mud. The water is shallow and warm. It is a silty brown that smells of brine and vegetation. The silence is broken only by the drip of your paddle and the occasional splash of a mudskipper. This is a genuine reset after the west coast's beach bars. Morning trips catch the best birdlife. Look for white-bellied sea eagles that nest in the taller trees along the channels.

Kai Bae Viewpoint

Kai Bae Viewpoint sits above the west coast. It offers the kind of panorama that explains why the island's mountainous spine was never developed. The climb is steep but short. At the top the view opens south over Kai Bae Beach and the scatter of small islands offshore. The water below grades from jade near the rocks to deep navy further out. On clear days the Cambodian coastline is faintly visible. It appears as a gray-green smudge on the horizon. Late afternoon light is best for photographs. The sun drops low enough to turn the sea gold and throw long shadows across the forested hills.

White Sand Beach is the most developed strip on Koh Chang. It runs along the northwest coast with the widest selection of accommodation from simple fan rooms to larger resort properties. The beach itself is broad and sandy. The water is calm enough for swimming most of the year. The concentration of restaurants and bars means you will never need to go far for dinner. It skews slightly older and more settled than the beaches further south.

Klong Prao occupies a long, quieter stretch of sand south of White Sand Beach. A small estuary splits it. The water floods gently at high tide. The atmosphere here is calmer. More mid-range resorts sit back among coconut palms. Families tend to gravitate here. The beach is shallow and gentle. The pace is slow enough that you can hear frogs in the estuary at night.

Kai Bae is compact and walkable. It is a shorter beach with a village feel and a good balance between convenience and calm. Budget-friendly guesthouses sit alongside a few boutique places. Rocky headlands at either end of the beach give it a sense of enclosure. The offshore view of Koh Man Nai adds a postcard quality to sunsets.

Lonely Beach lives up to its old reputation as the backpacker hub. It has matured somewhat. The beach is narrower and the sand coarser. The guesthouses and hostels here are the most affordable on the island. The bar scene draws the under-thirty crowd. Think low-key reggae joints and firefly-lit beachfront spots. It gets lively after dark. It never reaches the intensity of a full-moon party.

Bang Bao sits at the island's southern tip. It is built on a long wooden pier extending over the water. Staying here means falling asleep to the sound of water lapping under your floorboards. Fishing boats are moored just below. It is the departure point for dive and snorkel trips. Mornings are active. Evenings are remarkably still. Accommodation options are limited but atmospheric. The pier guesthouses have a character you will not find anywhere else on Koh Chang.

The east coast is where you go to disappear. Look around Salak Phet and Long Beach. Development is minimal. The beaches are small and rocky in places. The main attraction is the absence of everything the west coast provides. A few homestays and eco-lodges operate out here. They cater to travelers who want mangroves and fishing villages over beach bars. The trade-off is isolation. Transport connections to the west coast are infrequent. You will want your own wheels.