Take the tramThe trams in Hong Kong are much less frequented by tourists than they should be. They take you across many major stops on Hong Kong island, but actually we got on with no aim other than to take in the sights from a new level (literally speaking).
Slender, slim and rather like the Night Bus in Harry Potter, then glide across the city.
You will need exact change if you're not using your Octopus card (which I recommend 167%).
Take the star ferryThe star ferry is often considered an icon of Hong Kong and I love it.
The blustery crossing makes me smile, as do the little stars symbols that can be found scattered across the boat. The boats are old school and give you good views of the river AND they're very, very cheap.
You can pay a big lump of gold and do a longer tourist cruise, but the little crossing cruise can we repeated 10 times over for the same price and I just didn't really deem it necessary. You can get the boat at night when the lights are doing their thing, which is also fun.
Take the escalator to the mid levelsThe novelty of using an elevator on the street is great, especially when you can keep going up for half an hour and still not reach the top.
Allow some time, bring some water, a good soundtrack/funny company and get lost in the journey up, up, up.
They're also the tram up to the peak and a metro system that must be the easiest in the world. So just GET MOVING! :-D