Which Metropark hotel will you stay in? Kowloon, Mong Kok or Hong Kong?
If you are stay in Metropark Mongkok Hotel, you can go to the destination as the following way:
Bus A21 can take you from the airport to the hotel.
From the hotel to Ocean park, you can take bus 171 from Labour Tribunal, Gascoigne Road to Aberdeen Tunnel Toll Plaza, then walk to the ocean park.
From the hotel to Disneyland, you can take MTR from MTR Prince Edward Station - C2 to Lai King, transfer to Tung Chung line to Sunny Bay, then take the disneyland resort to get there.
which Factory Outlet store will you go? Its address?
If you travel to Hk for 3 days, an airport express travel pass is better. Otherwise, the octopus card is nice.