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Overview of Siam Harmony Residence in Ko Samui, Surat Thani

Siam Harmony Residence is a villa project, located at 45/36 Soi Poonsawat, Maret, Ko Samui, Surat Thani, 84310 Thailand. Villa comprises of 2 units.

About Siam Harmony Residence

Siam Harmony Residence – Lamai, Koh Samui


Siam Harmony Residence is a boutique villa development located in the peaceful and scenic Lamai area of Koh Samui. This thoughtfully planned community offers a selection of modern 2- and 3-bedroom private pool villas, ideal for residential living, holiday retreats, or long-term investment.


Each villa features an open-concept design with bright interiors, spacious living and dining areas, and ensuite bedrooms. The private outdoor space includes a 7 × 3 meter swimming pool, a sun terrace, and landscaped garden, all within generous plot sizes of approximately 266 square meters.


The project offers a secure leasehold ownership structure valid until 2057, with affordable annual fees. Residents enjoy on-site amenities including a shared pool, restaurant, pétanque court, and concierge service—offering a relaxed and convenient lifestyle.


Located just a few minutes’ drive from Lamai Beach and the main road, Siam Harmony Residence provides easy access to international schools, supermarkets, and island attractions while maintaining a quiet, community-oriented atmosphere.


Key Features
– 2- or 3-bedroom private pool villas
– Spacious open-plan layouts
– Modern kitchens and ensuite bathrooms
– Private pools and sun terraces
– Land size approx. 266 sqm
– Leasehold until 2057
– On-site restaurant and shared facilities
– 8 minutes to Lamai Beach


Siam Harmony Residence presents a rare opportunity to own a stylish, well-appointed villa in one of Koh Samui’s most desirable residential areas.

Available Units

Siam Harmony Residence for sale: 2 available units from USD173,204 to USD204,385.

Facilities

Facilities at Siam Harmony Residence include parking, security, swimming pool and tennis court.

Market stats

The average sale price at Siam Harmony Residence is USD2,014 per sqm.
This is 0.8 % uptrend current average sale price in Ko Samui (USD1,998 per sqm) and 0.6 % downtrend the average price in Surat Thani (USD2,026 per sqm).

Video of Siam Harmony Residence
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Available units at Siam Harmony Residence
Features
  • Parking
  • Security
  • Swimming pool
  • Tennis court
Parking and Lifts
  • Charging stations on site: no
Payment Plan

Check out the payment plans to purchase a property in Siam Harmony Residence. Whether you are interested in investing in a strategic location in Ko Samui or finding your next residence, here you will find the necessary options to facilitate your purchase.

Untitle
Installment Milestone Payment
Reservation deposit 10.0%
1st Installment Start of construction 35.0%
2nd Installment Completion of foundations 20.0%
3rd Installment Completion of roof structure 20.0%
4th Installment Interior finishing 12.0%
5th Installment Handover of keys 3.0%

Market insights

For sale USD518,501 USD1,999/sqm -0.5 % Evolution compared to June 2025 1,640 Villas for sale in Ko Samui, Surat Thani
The average price for sale of villas in Ko Samui is USD518,500. Compare to a year ago (June 2025) this represents a fall of -0.5 % and a fall of -5.2 % since the beginning of the year (January 2026). The average price per square meter for sale in Ko Samui is USD1,998/sqm, 1.4 % lower than the Surat Thani median of USD2,026/sqm. The average price in Ko Samui for villas for sale with 2 bedrooms is USD301,870, USD438,907 for 3 bedrooms and USD897,668 for 4 or more bedrooms.
Frequently Asked Questions
Frequently Asked Questions
  • Siam Harmony Residence has 2 units for sale starting from USD173,204 up to USD204,385.
Location
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