The Peak to Ocean Park
Take Peak Terminus down and locate yourself at Centerl MTR Station, take Island Line to Admiralty MTR station, out of which you can take bus no. 629 to Ocean Park.

Po Lin Monastery to Ocean Park
Take Ngong Ping 360 or bus no. 23 from Po Lin Monastery to MTR Tung Chung station and then ride Tung Chung Line and Disneyland Resort Line with Sunny Bay as the transfer station for Disney Resort.

Tsim Sha Tsui MTR station is in close proximity to Taisan Hostel. You can wither walk or take mtr for 1 and 2 stops for Temple Street and Ladies' Street.

Star Ferry Pier is within walking distance from Taisan Hostel. You can just walk.