Assumed you live in Tai Po,you can take the KCRC Train to HungHom then left the Train walking five minutes along the flyover(near the Cross Harbour Tunnel one) to the bus terminal(next door of TsamShaTsui Fire Station and get the Bus No.973 to Stanley will pass Ocen Park(Only for Sunday and Holiday)for normal office hour you can lelt outside of Ocean park then walking in.