Sky100 Hong Kong Observation Deck is located on the 100th floor of the International Commerce Centre (ICC), which is the tallest building in Hong Kong. The sky100 offers 360-degree views of the surrounding area and Victoria Harbour. It also features a high-speed elevator to get from the lower level to the 100th floor in just 60 seconds. Be ready to see a wonderful view of Hong Kong at sky100. You can get the best views on a clear day.