Pinnance at duxton is a HDB housing flat.on top of it there is a Huge sky park.
How to go - get down at Outram park MRT station and proceed to cantonment exit and go to the block G of the building. speak to the security there and tell tehme that you want to got to sky park.
Genenrally your EZ link card should work. if not, they will take 5 dollard and give you a recepit. They also ask you to call once you reach 55 floor to open the security gate for you.
Then it is up to you. how many views you wish to see, it has resting shelters shady places and open bences to enjoy.and offers numerous views of singapore in all directions,.
This is a Best alternative to Marina bay Sands which charges you around 30 - 40$ but limited space allowed.
This is a must for tourist in my view.