Eco-friendly resort The Tongsai Bay (02-381-8774/-6, reservation@tongsaibay.co.th, www.tongsaibay.co.th) on Koh Samui is celebrating its 25th anniversary with a three-day-two-night package: stay in a seafront cottage with breakfast, a bottle of Chandon rosé, a four-course dinner for two, roundtrip airport transfers and free Wi-Fi internet, all for B25,000. Valid through Jul 15 and from Sep 1-Dec 20.