The Gulf coast's most liveable island: beach life with real infrastructure. A practical, unbiased guide to the cost of living, best areas, the DTV and retirement-visa angle, internet and remote work, healthcare — and the season to plan around.
Koh Samui is Thailand's second-largest island and the Gulf coast's most established expat base — a palm-covered ring of beaches, coconut groves and granite headlands with its own airport and a genuinely international feel. It is more resort-polished and family-friendly than the mainland nomad hubs, yet far calmer and greener than Phuket. For remote workers, retirees and families who want a beach-life Thailand with real infrastructure — private hospitals, international schools, supermarkets and direct regional flights — Samui hits a rare middle ground between holiday island and liveable home.
Island life carries a premium: nearly everything beyond local food and produce is shipped over, so imported groceries, cars and Western goods cost more than on the mainland. A comfortable solo budget runs roughly ฿45,000–฿70,000 (about $1,300–$2,000) a month; couples and families typically ฿70,000–฿130,000. A modern one-bedroom condo or small villa runs ฿15,000–฿35,000/month depending on area and pool access; sea-view villas climb well beyond that. It is pricier than Chiang Mai and most of the mainland, but generally below Phuket's top end for a similar standard of living.
Chaweng is the busy heart — the longest beach, the nightlife, Central Festival mall and the widest choice of condos, but also the most traffic and tourists. Lamai is the quieter, better-value beach town just south. Bophut and Fisherman's Village are the long-time expat favourite: walkable old-town charm, the best dining, and an easy, grown-up vibe. Maenam is laid-back and family-friendly with a long quiet beach and lower rents. Choeng Mon and the Big Buddha / Bang Rak belt are upscale and calm, minutes from the airport and ferries. Choose for your daily rhythm — beach town buzz, family quiet or dining-and-cafe village — then the home.
Samui draws a mix of visa types. The Destination Thailand Visa (DTV) suits remote workers wanting long 180-day stays on a five-year, multiple-entry visa. The island's large retiree population leans on the retirement (O / O-A) visas, while higher earners use the LTR. Many trial the island first on tourist or visa-exempt entries. Whichever route you take, file your TM30 on arrival and keep up with 90-day reporting — the island has its own immigration office at Nathon, so you don't need to travel to the mainland.
The main beach areas have solid home fibre (AIS, True, 3BB) and good 4G/5G, which is all most remote workers need. Be realistic about the coworking scene, though: it is much smaller than Chiang Mai or Bangkok — a handful of dedicated spaces plus a strong cafe culture in Bophut, Fisherman's Village and Chaweng. If your work depends on a big in-person nomad community, Samui is thinner; if you mostly need fast, reliable internet and a beach to clear your head after calls, it delivers. Check the actual fibre availability at any specific villa before you sign — island coverage is uneven outside the main towns.
There is no public transport system, so mobility is essential. Most residents drive a car or rent a scooter (฿3,000–฿4,000/month); the island loops around one main ring road (Route 4169), so navigation is simple but distances add up. Songthaew shared trucks run the ring road by day, Grab and taxis are available but pricier than the mainland, and the compact airport sits on the northeast corner with Bangkok Airways and regional links. Drive carefully — the ring road and steep beach access roads see a high rate of scooter accidents.
For an island, Samui is well covered. Bangkok Hospital Samui, Thai International and Bandon International are private hospitals with English-speaking doctors, modern facilities and international-standard care, plus well-stocked pharmacies and dental clinics. Routine and most acute care is handled locally and walk-in friendly. For complex specialist treatment, patients are sometimes referred to Bangkok — factor that in if you have ongoing medical needs, and carry comprehensive private insurance, which is affordable and required for some visas.
Samui's weather runs opposite to the Andaman coast: its wettest stretch is the northeast monsoon from roughly October to December, peaking in November, when heavy rain and occasional flooding can disrupt ferries, roads and flights. The rest of the year is largely dry and hot, with the best, clearest conditions from January to April. The flip side of island life is logistics — supply runs by ferry, higher costs, and a touch of 'island fever' for some. Don't sign a long beachfront lease without understanding the monsoon timing and how your area drains.
Map your budget and visa route, then find the right area and home.
Photo: Siamways Individualreisen via Pexels. General information only — not legal, immigration, tax or medical advice. Costs, visa rules and requirements change and depend on your situation; verify current requirements with official Thai government sources or a licensed specialist before acting. BAANLYY never takes paid placement.