Thailand's Finest Real Estate & Rentals

Hand-picked Luxury Real Estate & Rentals in Koh Samui, Phuket and Bangkok

ONYX Realty is a team of real estate specialists dedicated to guiding you through your 5-star vacation rental experience. We specialize in three destinations across the Gulf of Thailand and along the Andaman Sea – from Bangkok to Koh Samui to Phuket. ONYX Realty represents an exclusive villa portfolio including luxury residential developments, hotel or villa investment in the heart of South East Asia. Every single listing is unique – whether it is a traditional Thai, a modern contemporary or an exotic Balinese style villa. Additionally, all have gone through a very strict quality inspection process by our local representatives, so you can rest assured that your entire experience is in good hands with us.


Featured Properties for Sale & Rent


Explore Properties by Category and Location

Property for Sale in Thailand

Explore the finest luxury villas and apartments for sale in Thailand.

Island Holiday Rentals

Discover an amazing selection of beachside holiday rentals on Samui and Phuket.

Land for Sale on Koh Samui

Build your dream home or business on Koh Samui. Find the perfect land plots to invest in.


Why Choose Onyx Realty?

1 Experience

Our Team has over a decade of real estate experience in Thailand; offering Luxury Villa Rental, Residential Sales, Villa Marketing and Consultancy.

2 Hand-Picked Properties

Every single property is hand-picked, personally inspected by our villa specialists.

3 Professional Team

Our Team consists of western and local professionals whom are able to serve you with all aspects of real estate in Koh Samui, Phuket and Bangkok.

4 Personalised Service

Being a boutique real estate agency, we are offering personalised experience and offer you the best available market prices.