And with Yoga events, classes, etc but not necessarily a retreat:
Four Seasons Langkawi
Jalan Tanjung Rhu, 07000 Langkawi, Kedah Darul Aman (60)(4) 950 8888
restaurant - spa - fitness center - yoga classes
AllStays Hotels By Chain
Find all kinds of beds near you. All the chains. The only app that puts you one button from the front desk. The data is stored in the app so you aren't waiting to download information (or ads). Works with or without service.
Camp & RV
The number one camping app for iOS. From resorts to hike-in spots. Amenities, maps, truck stops, rest areas, Wal-mart and casino parking, low clearancs and much more.