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Portland Tourist Dies in Suspected Drowning During Night Dive in Kona, Police Investigate

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Published on May 02, 2025
Portland Tourist Dies in Suspected Drowning During Night Dive in Kona, Police InvestigateSource: Google Street View

Hawai‘i Island police are investigating the death of a 62-year-old tourist in Kona. Lori Trende-Landgraver, from Portland, Oregon, was involved in a possible drowning incident on Wednesday, according to the Hawaii Police Department.

At 9:28 p.m., Kona patrol officers and Hawai‘i Fire Department  personnel responded to a report of a potential drowning at Keauhou Pier. Trende-Landgraver, who was likely there to see the manta rays, experienced difficulty shortly after diving into the water. She was able to return to the boat, but her condition worsened, and she required assistance, as reported by the Hawaii Police Department.

Trende-Landgraver reported feeling unwell to the captain and lost consciousness shortly after. The crew performed CPR while returning to port, and medics continued efforts at Keauhou Harbor. She was pronounced dead at Kona Community Hospital. "Police have initiated a coroner’s inquest investigation to determine the exact cause of death." Anyone with information is asked to contact Kona Patrol Officer Lawrence Matsumoto at (808) 935-3311 or by email at [email protected], as stated by the Hawaii Police Department.