Farrington American Express Travel is selling two nights on Koh Samui from HK$2,990 per person, twin-share, staying at the Amarin Victoria Resort (amarinsamuiresort.com).
Upmarket options include the Six Senses Hideaway (sixsenses.com) for HK$6,150 and the Four Seasons (fourseasons.com/kohsamui) for HK$8,390; in between it's The Library (designhotels.com/thelibrary) at HK$4,790. Available until end June.