I think the most beautiful spot in Jakarta right now is the rooftop skywalk of Senayan Park mall...great views, especially in late afternoon when the sun is about to set
in Jakarta there is now an Instagramable sky bridge. the model is similar to the pinisi ship and Bundaran Hotel Indonesia like the one on my channel @jajamanofficial
I did most of the places on the list except the Sunter Lake and Sky Bar. - also worth walking around the business district of Modern Jakarta and seeing the Regatta as well