The hotel is located close to the commercial, entertainment, and retail districts of the city. Guests will be able to find plenty of shopping, dining, and entertainment venues in the area. Some of the attractions that they might want to visit include the Sydney Opera House, the Australian Museum, the Chinese Garden, and Sydney Wildlife World. The bus and the train stations are only a 5-minute walk from the Castlereagh Boutique Hotel. Guests will be able to use public transportation to reach many of the most popular sites in the city. Some sites are even within walking distance of the hotel.

All of the rooms at the Castlereagh Boutique Hotel have en suite bathrooms. The rooms also have amenities such as air conditioning, mini bars, tea and coffee making facilities, and refrigerators.

The hotel offers an onsite restaurant featuring 1920s décor, and which offers breakfast, lunch, and dinner. The Castlereagh Boutique Hotel also has a lounge where guests will be able to relax with a cold drink.