Plastic reduction on Samui
Reviewed by the Samui Local Hub team ·
Plastic waste is one of Samui's most visible environmental problems: bottles, bags, and food containers wash up on beaches and threaten turtles, fish, and reefs. Thailand has a national Plastic Waste Management Roadmap, but experts quoted in 2025 coverage note it lacks an enforcement mechanism, and local observers report weak oversight of plastic bans on the island. Still, there is real activity: in 2024, WWF Thailand's Plastic Smart Cities (PACT) programme ran workshops in Koh Samui, Surat Thani, Hat Yai, and Songkhla, with local hotels and food businesses committing to cut single-use plastics; some resorts have eliminated single-use plastic bottles and joined the UNESCO Sustainable Tourism Pledge; and community beach cleanups happen regularly. What visitors can do is direct and effective: carry a refillable bottle (many cafes and hotels offer refills), refuse plastic bags and straws, choose food businesses that use minimal packaging, and take your own rubbish off beaches and boat trips. Never leave anything on the sand - wind and tide carry it straight to the sea.
Dates
PACT workshops on Samui 2024; ongoing
Highlights
- Thailand's plastic roadmap lacks strong enforcement (2025 expert criticism)
- WWF Plastic Smart Cities workshops held on Samui in 2024
- Some hotels have eliminated single-use plastic bottles
- Refill, refuse, and carry out your own rubbish
Local tips
- Tap water is not drinkable - use refill stations or large refillable containers instead of buying small bottles
- Say 'mai ao thung' (no bag) at shops
Frequently asked questions
Is there a plastic bag ban on Koh Samui?
Thailand has national reduction policies and Samui has local campaigns, but there is no reliably enforced island-wide ban - bring your own bag.
Can I refill water bottles on Samui?
Yes, many cafes, hotels, and public refill stations offer cheap or free filtered water - much better than buying small plastic bottles.
Sources
Plus local research.
Your next step
Let the free planner turn this guide into a day-by-day plan for you.
Free trip plannerMore guides: Environment & responsible travel
- Reef-safe sunscreen
- Responsible wildlife viewing: elephants and beyond
- Getting around with a lighter footprint
- Waste management: the broken incinerator
- Water scarcity on an island
