Long Mong Wan, located on the eastern side of Sharp Island in Sai Kung, is renowned for having the highest coral coverage in Hong Kong (80%+), hosting around 84 species of reef-building corals from 30 different genera, making it a vibrant haven for marine life and a popular destination for snorkeling and water sports enthusiasts.

Long Mong Wan can be reached by either speedboat or kayaking, travellers can either join Splitdyboat's kayaking tour or snorkelling tour (w/ speedboat transfer) to explore this beautiful snorkelling destination.

Bluff Island's Ung Kong Wan, near Sai Kung, offers a vibrant Sai Kung snorkelling experience. This Hong Kong UNESCO Global Geopark site features diverse coral communities, including branching and massive corals. Clear waters reveal colourful reef fish amidst the coral gardens. As a recognized coral area, Ung Kong Wan is a prime example of Hong Kong's marine biodiversity, attracting nature enthusiasts and conservation efforts. Its sheltered bay makes it ideal for beginner snorkelers.