You will get everything like diving, water-skiing, windsurfing and of course swimming at some beautiful beaches.
Here is a non-exhaustive list of some popular places for watersports in Hong Kong:
Golf is one of the most popular sports in Hong kong and Hong Kong possesses the oldest golf court in Asia!
Here is a non-exhaustive list of some golf courts around Hong Kong:
Hong Kong is also very well made for jogging and you will find jogging trailers everywhere and some very uniques ones too.
You can also do some more unusual activities like bird watching, fishing or horseracing. Needless to say that fishing in Hong Kong is not quite to be the same experience as when you go to the pond next door, back home.
These two activities are two fairly recent activities in Hong Kong but they
are certainly worth it as the environment in Hong Kong is superb to practice
them.
You can find excellent hiking trails at different levels and for instance
the Dragonsback Trail or Hong Kong Trail on Hong Kong Island are quite accessible.
For people more experienced, they might want to check out the Sharp’s Peak
trail in Sai Kung.
For rock climbing Rock climbing you have popular venues like Beacon Hill in Kowloon or Shek O on Hong Kong Island. You can get to more experienced climbing at Victoria Peak, just above Central and you can do both traditional and bolted climbing. For indoor climbing, a good place to try is the King’s Park climbing wall in Yau Ma.