Koh Samui Houses for Sale

Houses Koh Samui for sale - is it a good investment in 2026?

The housing market in Koh Samui in 2026 is developing dynamically and attracting an increasing number of foreign investors, including those from Poland. Compared to Phuket, Koh Samui offers a more intimate character, lower entry prices, and growing investment potential.

Houses Koh Samui for sale are becoming an increasingly popular choice both for investors and for people looking for a property to live in. It is a segment that combines comfort, privacy, and the possibility of generating rental income.

What does the housing market in Koh Samui look like in 2026?

Key market characteristics:

• growing foreign demand

• development of the island’s infrastructure

• a larger number of private projects

• a growing premium segment

Koh Samui is in a growth phase similar to Phuket a few years ago.

What houses Koh Samui are available for sale?

Several main types of properties are available on the market:

1. Standard houses (inland)

• no sea view

• smaller plots

• basic standard

Prices:

• 5 - 12 million THB

2. Houses with a pool

• private pool

• larger area

• popular investment segment

Prices:

• 10 - 25 million THB

3. Houses with sea view

• sea view

• better locations

• higher standard

Prices:

• 20 - 50 million THB

4. Premium / luxury houses

• top locations

• high standard

• often in gated resorts

Prices:

• 50 million THB+

Best locations for houses in Koh Samui

Chaweng / Chaweng Noi

• tourist center

• high rental demand

• good ROI

Bophut / Fisherman’s Village

• premium segment

• stable market

• high liquidity

Lamai

• good price-to-quality ratio

• developing market

Maenam

• quiet location

• lower prices

• growing potential

Bang Rak / Plai Laem

• close to the airport

• growing investment segment

How much do houses in Koh Samui cost (2026)?

Average prices:

• standard houses: 5 - 12 million THB

• houses with a pool: 10 - 25 million THB

• sea view: 20 - 50 million THB

Price per m²:

• 70,000 - 140,000 THB/m²

still lower than in Phuket

ROI of houses in Koh Samui

Market data:

• long-term rental: 5–7% annually

• short-term rental: 7–11% annually

Best results:

• houses with a pool

• properties close to the beach

• good locations

What affects the value of a house in Koh Samui?

1. Location

The most important factor.

2. Pool

Significantly increases rental attractiveness.

3. Sea view

Sea view increases value and ROI.

4. Standard of finishing

New houses achieve better results.

Most common investor mistakes

1. Buying without analysis

Marketing ≠ investment

2. Lack of project verification

The market is less regulated

3. Ignoring costs

• maintenance

• house service

4. Wrong location

The biggest impact on ROI

Trend 2026 - growing demand for private houses

Key observations:

• increasing interest in privacy

• development of the villa and housing market

• growing number of investors

houses and villas are gaining importance

Houses vs villas - what is the difference?

Houses

• lower price

• simpler construction

• lower standard

Villas

• higher standard

• better locations

• greater potential

the choice depends on budget and strategy

Is it worth buying a house in Koh Samui?

From an investor’s perspective:

Advantages

• lower entry threshold

• growing market

• growth potential

Disadvantages

• greater selectivity

• less standardized market

Key conclusions

1. Houses from 5 million THB

2. ROI: 5–11% annually

3. Koh Samui is a growth market

4. Location is key

Sources

https://www.cbre.co.th/insights/figures/phuket-overall-figures-h2-2025
https://property.cbre.co.th/useful-information/phuket-condos-and-villas-2025
https://charlesdel.com/phuket-real-estate-trends/
https://sunwayestates.com/blog/post/phuket-2025-market-trends-and-the-winners-in-real-estate
https://alestriaproperty.com/blog/phuket-rental-yields-in-2025-what-investors-can-expect
https://phuketrealtor.com/blog/h1-2025-phuket-market-report-by-cbre