0 Vanished at Sea: The Unsolved Disappearance of Tuan Tran off Half Moon Bay
- Missing Persons
- by CSC Blog
- 07/07/2025
A Tranquil Sunday Turns Tragic
On November 19, 2017, the serene coastal waters near Half Moon Bay, California, became the backdrop for a maritime mystery. A 17-foot vessel was found spinning uncontrollably off Martin's Beach, approximately eight miles south of Pillar Point Harbor. The discovery of the unmanned boat set off alarms and initiated a search that would uncover a tragedy and leave lingering questions.
Discovery of the Unmanned Vessel
The U.S. Coast Guard was alerted around 1 p.m. by harbor personnel who spotted the boat adrift and circling without any occupants. Upon arrival, responders found the body of 74-year-old Dung Duc Nguyen floating near the vessel. Nguyen, a resident of Fremont, was one of the two individuals believed to have been aboard the boat. The second person, 54-year-old Tuan "Tom" Tran, was nowhere to be found ....Read More