There's a restaurant on site. You can enjoy a drink at the bar/lounge. Public spaces have free WiFi. An airport shuttle (available 24 hours) is available for a fee. A library, a terrace, and gift shops/newsstands are also featured at Sabai Corner Bungalows. Self parking is free.
Smoking is allowed in designated areas at this Ko Yao hotel.
Expedia listed AC as an amenity which was false -- not all of the bungalows have AC. They were full when I stayed there so upon check in, I was placed in a distant bungalow that only had a fan in the space. The cost of the stay and the bare bones/ lack of AC deters me from recommending this.