Is Koh Samui a good place to buy property? An honest look at the pros and cons

Koh Samui is a good place to buy property for some people and a poor one for others. It suits you if you want a quieter island, mostly low-rise building and longer stays. It suits you less if you need direct flights, a large market to resell in or dry weather all year. Foreigners can own a condo here within the foreign quota. The rest of this guide sets out the case for and against, with dated sources, so you can decide for yourself.

We are Varsovia Estate, the sales agent for The Astra Samui, so we have an interest in this question. That is why we put the drawbacks first and say plainly who should look elsewhere. We make no promises about profit or about future prices, and nobody can. Where a claim comes from the developer, we say so.

At a glance

• The island: Koh Samui is Thailand’s second-largest island, after Phuket, with an area of about 228.7 km². It has its own international airport (Samui International Airport).
• The market: small. A June 2025 report by the consultancy C9 Hotelworks counted 2,882 residential units for sale in 117 projects, and found 70% of them in Bophut.
• The rules: a foreigner can own a condo freehold within the foreign quota, which the law sets at up to 49% of the total unit area in a condominium. The other route is leasehold, a registered lease with a fixed term. Renewal is not guaranteed.
• The weather: the rainy season on the Gulf coast lasts until the end of the year, and November is usually the wettest month.
• The main risks: paying before the building exists, currency movements, slow resale in a small market and rental rules.
• A project on the island: The Astra Samui is a low-rise, resort-style condominium in Bophut. Prices start from THB 3,700,000 (about €98,000, NBP average rate of 23 October 2026).

The case for Koh Samui

Start with what the island offers, because that is what draws buyers.

Koh Samui is Thailand’s second-largest island, after Phuket, so it is large enough to have everything you need day to day and small enough to cross in a short drive. A ring road runs around the coast. There are supermarkets, shopping centres, private hospitals and international schools, and we describe them in our guides to Bophut and to hospitals and schools on Koh Samui.

Three reasons people choose Samui over bigger islands:

1. Pace. Samui is quieter than Phuket, and life centres on a few areas such as Bophut, Chaweng and Lamai. If you want a calm base rather than a resort city, that is the point.
2. Low-rise building. The developer’s view: building rules keep the island mostly low-rise, so good plots near the beach are scarce (according to the developer). We cannot verify that claim ourselves. We treat it as the developer’s view, not as an independent finding.
3. Its own airport. Samui has its own international airport (Samui International Airport). According to the Civil Aviation Authority of Thailand, it is among the airports operated by Bangkok Airways. You do not need a ferry to reach the island from Bangkok, which we cover below.

None of this is a forecast. It describes the place as it is on 24 October 2026.

The case against: what you give up

Now the other side. These are the points a buyer should weigh before looking at any apartment.

A small market

C9 Hotelworks counted 2,882 units for sale in 117 projects on Samui in June 2025. Its Phuket report from May 2025 counted about 40,600 units for sale in 343 projects. The two reports do not use exactly the same method, so read them as scale rather than a precise ratio. The difference is large, and it means fewer comparable sales and fewer buyers to sell to later. We cover this in Koh Samui vs Phuket, and our overview of the Koh Samui property market describes what is for sale today.

A longer journey

You cannot drive to Samui from the mainland. You fly to Samui Airport or take a ferry from Don Sak. From Europe we found no non-stop flight, so expect a change, usually in Bangkok. Our guide to getting to Koh Samui lists the routes and the sources. If you plan to visit for a few weeks at a time, that extra leg is part of the cost of owning here.

A long rainy season

Koh Samui is on the Gulf of Thailand side. According to the official classification of the seasons, rain on the southern east coast continues until the end of the year, and November is usually the wettest month. If you picture a dry winter escape from December, check the monthly pattern first. Our guide to Koh Samui weather by month gives the figures and their source. Weather varies from year to year, so treat any pattern as typical, not as a forecast.

Fewer hospitals and schools than a big city

Samui has private hospitals and international schools, but fewer than Phuket or Bangkok. For specialist or complex treatment, ask the hospital what it handles on site and what it refers to the mainland. If you move with children, check each school’s age range and curriculum. We keep the details in one place, in our guide to hospitals and international schools.

What foreigners can legally buy

Property ownership rules for foreigners are national, so they are the same on Samui as anywhere in Thailand. This is general information as of 24 October 2026 and not legal advice. Our full explanation is in can foreigners buy property in Thailand, and the quota is covered in the foreign quota in Thai condominiums.

In short, foreigners can buy freehold in a condominium unit, within the foreign quota: up to 49% of the total unit area in a condominium. The foreign quota is a share of the whole building, so before you buy, ask for the quota figures for the building you are considering. Foreign freehold: the unit title deed is issued in the buyer’s own name. For foreign freehold, the purchase money must come from abroad in foreign currency, and you will need the bank paperwork that proves it, such as the FET form for larger transfers.

Leasehold is the other route. Leasehold: a registered 30-year lease. Renewal is not guaranteed. Our guide on freehold vs leasehold sets out the differences and what they mean when you sell.

One point deserves a plain statement. We do not recommend, and we do not help with, structures that try to get round the foreign quota. Ask any adviser who proposes one to explain the risk in writing.

The risks, one by one

Honest advice means naming the risks. Here is a checklist, with what you can do about each.

Notice that none of these risks is peculiar to Samui. A small market makes two of them, resale and choice, more important here than on a larger island.

Rental income is a possibility, not a promise

Many people buy on Samui in the hope of renting the unit out. It can be done, but we do not state any return, and nobody should promise you one. The unit can be let by you or through a management company, and the rules for short stays are strict. Check them with a lawyer and with the building before you rely on rental income. If you are weighing a purchase mainly as an investment, read buying on Koh Samui as an investment and look at the numbers for the specific project, not the island.

Koh Samui or Phuket?

If you cannot decide between the two islands, the honest answer is that ownership rules are the same and the difference is how you live. Phuket has more flights, more schools and more homes for sale. Samui is smaller and quieter. We compare them in Koh Samui vs Phuket, and we have offices on both islands, so we are not pushing you towards one.

What it costs beyond the price

The price of the apartment is not the whole cost of buying property in Koh Samui. Three more groups of costs apply, and you should ask for all of them in writing.

• Costs at transfer. For The Astra Samui: Transfer fee: 2%, split equally (1% paid by the buyer). Other projects and resales differ, and leasehold registration can cost something different. Our guide to what buying a condo costs in Thailand lists the items.
• Charges on the building. A common area fee and a sinking fund are normal in a condominium. The figures differ from project to project, so compare them per m², not as a single number.
• Moving money. Sending money from abroad in foreign currency has its own costs. The rule at our project: For foreign freehold, funds must come from abroad in a foreign currency (not Thai baht). The buyer pays any transfer charges.

Add the furnishing, any travel to view the property and your own legal fees. A lawyer who works for you, not for the seller, reads the contract and checks the title. That is money well spent on a purchase made from another country.

How to research a project on the island

The island matters less than the project. Two condos a few kilometres apart can differ in ownership, build quality and rules. A sensible order of work:

1. Check the developer. Look at what it has finished before, not only at what it is selling. The developer of The Astra Samui is a Thai company listed on the Stock Exchange of Thailand (SET), based in Chiang Mai, an award winner at the Dot Property Awards.
2. Check the land and the permits. Ask what stage the environmental assessment and the construction permits have reached. For our project: Environmental approval (EIA) is expected in February 2027. The sale and purchase agreement is signed once it is granted. Ask us for the latest position when you speak to us.
3. Read the payment schedule and ask what protects your money at each stage.
4. Ask who will manage the building, what the charges are and how decisions are made.
5. Visit the area at the time of year you would use it, and visit once in the rainy season if you can.

If you buy off plan, our guide to buying off plan in Thailand goes through each point.

Who Koh Samui suits, and who it does not

As a rough guide.

Samui tends to suit:

• people who want a quiet base and mostly low-rise building around them
• buyers who plan longer stays, not only short trips
• people who work remotely and need services nearby but not a big city
• those who accept a smaller choice of schools and hospitals

It may not suit:

• buyers who need frequent direct flights from Europe
• anyone who expects dry weather from November to January
• buyers who want a large market in which to resell quickly
• those who plan to rely on rental income as the main reason to buy

Buying property in Koh Samui: a short checklist

Before you commit to any apartment on the island:

1. Decide how you will use it, for how many weeks a year, and who else will use it.
2. Ask which form of ownership is on offer, freehold within the foreign quota or leasehold, and what that means when you sell.
3. Ask for the current foreign quota figures for the building.
4. Read the payment schedule and ask what happens if a completion date slips.
5. Ask for the building regulations and the management charges.
6. Plan the transfer of money from abroad and ask your bank which document it will issue.
7. Visit, if you can. Our how to buy guide sets out the steps and the order of payments.

The Astra Samui against this background

The Astra Samui is a low-rise, resort-style condominium in Bophut, the area that holds 70% of the units for sale on the island according to C9 Hotelworks. It has 237 residences in 3 buildings (A, B and C), and apartments of about 26–73 m². Bophut Beach is about 300 m away and the airport 7.3 km, according to the developer. Completion is planned for Q4 2028. That is a target, not a guarantee, so the off-plan risks above apply to it.

How it lines up with the points in this guide:

• Ownership: foreign freehold within the foreign quota, and leasehold is also available.
• Payments: 30% by 20 December 2026, 30% when the roof structure is complete (planned for February 2028), 40% at handover (planned for December 2028). The developer does not offer financing.
• Common area fee: THB 50 per m² per month (12 months paid in advance).
• Sinking fund: THB 500 per m², one-off.
• Prices: they start from THB 3,700,000 (about €98,000, NBP average rate of 23 October 2026). The launch price grid gives indicative prices per m² of THB 139,000 to THB 162,000, depending on the type of ownership and the position. They are before launch promotions and are confirmed on the official price list.

You can see the site, the buildings and the apartment types on our project page and in the apartments section, and the numbers on the prices page. We have an office in Maenam on Koh Samui, so we can meet you on the island. If you would rather talk first, book a call with our team.