The rooms are nicely decorated and fitted with all modern room facilities. The rooms are distributed in two wings, namely the Main Wing and the Tower Wing. The Main Wing of Ambassador Hotel Bangkok in Bangkok offers a room type which they call as Run of House. Offering two room types, namely Superior and Deluxe, the Tower Wing rooms at this hotel are more expensive. All the room types however come fully furnished with floor carpets, expensive curtains, classy light fittings and beautiful laminations on walls. The room facilities at Ambassador Hotel Bangkok in Bangkok includes Air Conditioner, Telephone with direct dialing facility at international numbers, Mini-bar or Fridge, large screened Television and a lot more.

Some of the hotel amenities and services at Ambassador Hotel in Bangkok cover the following: Parking, Airport Transfers, Spa, Swimming Pool, Laundry, Bar, Internet Access, Room Service, Jacuzzi to name but a few.Another prime feature of the hotel amenities and services at Ambassador Hotel in Bangkok is the dining facilities. The restaurants at the hotel are listed below:

- Am Café: Open for 24 hours, this is a contemporary café which offers International Buffet Lunch
- Hong The Chinese Restaurant: Located at the Tower Wing of the Ambassador Hotel, this is an exclusive Chinese restaurant which is famous for its array of Dim Sums.
- Lobby Lounge: Perfect for relaxing after a tiring day, this is famous for the live performances which it organizes for the entertainment of the guests.
- Dicken's Pub: A British-style pub, it is open from 5pm to 1am.
- Espresso: The range of hot beverages is complimented by the variety of ice cream and other desserts.
- Bakery 171: As the name suggests, this is famous for its freshly baked breads and pastries. One can also opt to taste the home made cookies and cakes which are offered here.