Why it’s a good idea to go on a day trip to Tap Mun, Grassland, Hong Kong Hong Kong by Karlaroundtheworld - July 15, 2015June 10, 201818 How to Get to Tap Mun Island A.From Diamond Hill Take Bus 92 to Sai Kung ( HKD 6.8). Frequency is every 15- 20 minutes. It takes 50 minutes to get to Sai Kung. Take Bus 94 from Sai Kung to Wong Shek Pier (HKD 6) . Frequency is every 30