Private beach resort with free wifi in koh samui overlooking lamai beach the banyan tree samui resort is located on the thai island of koh samui a 20 minute drive from koh samui airport built into a private hill cove on the southeastern coast the resort has a private stretch of lamai beach for your enjoyment waterparks and temples the towering 18 arm statue of guanyin can be found at the wat plai laem buddhist temple a 21 minute drive from the hotel the coco splash adventure and waterpark