The entrance fee for disneyland is HKD350 for adult, HKD250 for child between 3-11 and HKD170 for Seniors (65 or above). The entrance fee of ocean park is HK$250 (Adult) and HK$125 (Children from 3-11 years old).
To Disneyland, take island line from North Point to Central, transfer to Tung Chung line to sunny bay, again transfer to disneyland resort line. It costs HKD33.
To Ocean park, take island line to admiralty, transfer to bus no. 629. It costs HKD16.6.