The airport is roughly 2 km north of the main city and largest resort centre on the island, Chaweng.
It is also the country's seventh-busiest airport, handling more than a million passengers annually.
The airport has terminals (domestic and international), plus a building for check-in and baggage claim.
Samui Airport is near the Big Buddha Pier, where ferries depart for Ko Pha-ngan.
High-speed ferries to Ko Tao and Chumphon depart from the Maenam Beach Pier, approximately 6 km northwest of the airport.