The Killer - Chow Yun Fat (1989) - Port Shelter, Sai Kung

The boat chase starts off at the waterfront in Sai Kung but soon moves out into Port Shelter as Ah Jong tries to evade his pursuers. The lower image shows the gap between Jin Island (Tiu Chung Chau) and Tiu Chung Pai, a small rocky islet off the south coast.

This last one is the gap between Jin Island and Tiu Chung Pai