Koh Samui is famous for Chaweng's nightlife, but the island has another side — untouched mangrove forests, coral reefs, hilltop coconut plantations and sea turtle protection programmes. Ecotourism on Samui is not a marketing buzzword; it's a set of real routes and activities that let you experience the island's nature without harming it.

Elephants: Sanctuaries Only, No Riding

Elephant riding — one of Thailand's most popular tourist activities — has long been condemned by animal welfare organisations. Elephants are trained using methods that cause suffering, and are conditioned for tourist work from an early age. The responsible alternative is visiting a sanctuary where elephants live in conditions close to their natural state, with human contact limited to feeding and observation.

Several operations on and near Samui describe themselves as "sanctuaries." Before visiting, check whether riding is permitted — if it is, this is a renamed elephant camp, not a genuine sanctuary. Signs of a good sanctuary: large open land, elephants live in groups, riding is prohibited, no forced shows.

Mangrove Kayak Tours

The mangrove forests on Samui's north-eastern and south-eastern coasts offer some of the island's best eco activities (covered in detail in the Koh Samui Mangrove Forests article). A kayak tour lasts 2–3 hours, paddling through narrow channels under a canopy of mangrove branches. You can spot kingfishers, water monitors, mudskippers and crabs directly from the water.

These tours support local fishing communities, who direct part of their income towards forest conservation.

Snorkeling and Diving With Minimal Impact

The coral reefs around Samui are living ecosystems, and every visitor either contributes to their survival or their decline. Responsible snorkeling means:

  • Reef-safe sunscreen — chemical filters oxybenzone and octinoxate accumulate in coral tissue and cause bleaching. Mineral creams (ZnO/TiO2) labelled reef-safe are available at pharmacies and shops across the island.
  • The no-touch rule — no touching corals, sea turtles or fish. It sounds obvious, but it is broken constantly.
  • Choosing responsible operators — companies affiliated with Reef Check Thailand and those with a stated environmental policy generally monitor guest behaviour in the water.

Organic Farms and Rural Tourism

Koh Samui still has coconut plantations, tropical fruit gardens and small farms. Some offer tours: you can watch trained monkeys harvest coconuts (a traditional practice), sample fresh-pressed coconut oil, palm sugar and ripe durian straight from the tree.

The weekend markets at Bo Phut and Mae Nam sell produce from local farmers — a direct way to support the island's rural residents and an alternative to imported tourist goods.

Zero-Waste Initiatives and Beach Clean-Ups

Plastic pollution is a serious problem on Thai beaches. Koh Samui has several volunteer beach-cleaning initiatives. Some dive centres organise Dive Against Debris events — participants collect rubbish from the seabed during a dive. These events are open to anyone, often free or for a nominal fee.

Many cafes and restaurants on Samui have switched to paper straws, reusable containers and biodegradable packaging — choosing these establishments is also part of ecotourism.

How to Choose a Responsible Tour on Samui

A few questions to ask any operator before booking:

  • Do they have a responsible tourism policy? Do they limit group sizes?
  • Do they use reef-safe products and brief guests before entering the water?
  • Do they support local communities (fishermen, farmers, schools)?
  • Do they have ties to local conservation organisations?

Ecotourism does not mean giving up comfort — it means making conscious choices that don't damage the places you visit. Koh Samui's natural environment deserves to survive for the next generation of travellers.