Living in Koh Samui expat guide: everything you need to know about health insurance, visas, banking and cost of living in Koh Samui, Thailand.
Living in Koh Samui:
Your Complete Expat Guide
Everything you need to move, live and thrive on Thailand's most beautiful island — from visas and health insurance to banking and cost of living.
Living in Koh Samui as an expat in 2026
Living in Koh Samui has become one of the most sought-after lifestyle choices for expats, remote workers and retirees seeking a permanent base in Southeast Asia. With its international hospitals, established expat community, year-round warm climate and relatively affordable cost of living, Samui offers something that few islands in the world can match.
But making the move involves more than just booking a flight. You need the right visa, proper health insurance, a Thai bank account, and a realistic understanding of what life actually costs on the island. This guide covers all of it — honestly and in detail, based on real expat experience.
Use the sections below to navigate directly to what you need most. Each guide is regularly updated to reflect the latest regulations, prices and partner recommendations.
Everything you need to live in Koh Samui
Four essential topics every expat must sort before — and after — the move.
Health Insurance for Expats
Thailand's private hospitals are excellent but expensive. Having proper international health insurance is non-negotiable for anyone living on Koh Samui long-term.
- Required for Non-OA retirement visa
- Pacific Cross & SafetyWing compared
- Plans from ~$42/month
- Cashless treatment at Samui hospitals
Visas & Immigration
From the DTV digital nomad visa to the retirement O-A and Thailand Privilege Card — find the right long-stay visa for your situation.
- DTV, O-A, Privilege Card compared
- Requirements & documents explained
- French & English visa specialists
- 2026 updated requirements
Banking & Money in Thailand
Opening a Thai bank account as a foreigner, transferring money internationally, and managing your finances as an expat on Koh Samui.
- Best Thai bank accounts for expats
- Wise vs local transfers compared
- 800K THB seasoning for visa
- ATM fees & currency tips
Cost of Living in Koh Samui
What does it actually cost to live in Koh Samui in 2026? Honest monthly budget breakdowns for different lifestyles — from budget to comfortable to luxury.
- Real monthly budget examples
- Rent, food, transport & utilities
- Budget vs comfortable vs luxury
- Compared to Chiang Mai & Phuket
Why expats choose Koh Samui
More than 10,000 foreign residents call Koh Samui home. Here's why they stay.
World-class hospitals
Bangkok Hospital Samui and Samui International Hospital offer international-standard care on the island.
Year-round sunshine
Tropical climate with warm temperatures throughout the year and a dry season from December to April.
Direct flights
Samui Airport connects directly to Bangkok, Singapore, Hong Kong and other Asian hubs.
Expat community
A well-established international community with French, British, German and Australian residents.
Remote work friendly
Fast fibre internet, co-working spaces, and the new DTV visa make Samui ideal for digital nomads.
Island lifestyle
Beaches, jungle, waterfall hikes, yoga studios and world-class dining — all within 30 minutes.
Moving to Koh Samui: where to start
The order in which you sort things matters. Most expats make the same mistakes — here's the right sequence to follow before and after arrival.
- 1Choose the right visa for your situation (DTV, O-A or Privilege Card)
- 2Get international health insurance — required for some visas
- 3Open a Thai bank account (3-month seasoning for retirement visa)
- 4Find long-term accommodation — villa or condo rental
- 5Register your address with local immigration (90-day reporting)
- 6Set up utilities, Thai SIM and transport (scooter or car)
Quick navigation
Jump directly to the guide you need
Expat guides & resources
In-depth articles written by residents, for future residents.
DTV Visa Thailand: The Complete 2025 Guide for Digital Nomads
Everything you need to know about Thailand's Destination Thailand Visa — requirements, costs and how to apply.
→ InsuranceBest Health Insurance for Expats in Koh Samui 2025
Pacific Cross vs SafetyWing vs Cigna — an honest comparison for expats and digital nomads living in Thailand.
→ FinancesCost of Living in Koh Samui: Real Budgets for 2026
Monthly budget breakdowns from budget backpacker to comfortable expat to full luxury lifestyle on the island.
→ BankingHow to Open a Thai Bank Account as a Foreigner in 2026
Step-by-step guide to opening a Kasikorn or Bangkok Bank account — documents needed and common pitfalls.
→Living in Koh Samui: frequently asked questions
Honest answers to the questions every future expat asks.
Ready to make the move to Koh Samui?
Start with the two most important things to sort before you arrive — your visa and your health insurance.