HotelsCombined – Thailand Hotels – Search and compare all Thailand hotel deals from hundreds of accommodation sites at once.
Official Travel Site
TourismThailand.org – The official site of Tourism Authority of Thailand.
Thailandist – Thailand travel tips, especially for Bangkok, Pattaya, Koh Samui, Phuket.
Thailand Tours – Tours and things to do hand-picked by Viator.
Thailand Photo Gallery – Photo gallery from nomadicnotes.com