Alisan Guest House

This place is one of the better hostels out there, with a great location in the heart of the shopping district in Causeway Bay, an Government license, WiFi, televsions and more. 

From the airport, take the A-11 Air bus which costs $40HKD per person (a return ticket is $65HKD per person). It should take about 45-60 minutes to get to the Causeway Bay district and the bus should display which stop is which on the electronic sign. Get off at 'Yee Woo Street' Stop or ' Sogo Department Store' Stop (which is listed as the 14th Stop). The hostel is located in the 5/F of Hoi To Building, on 23 Cannon Street, behind the Sogo Department Store.