The person at the center of this case
Mark Alan Cohen
Missing Person · Open
15 years waiting · since 2011
Missing Person: Mark Alan Cohen
Justice for Mark Alan Cohen — the trail went cold in 2011, but the truth hasn't.
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Key leads to think about
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vehicle
Lead #1What boat was Cohen using and where was it moored or found?
👁️
witness
Lead #2Did anyone see Cohen or his boat on May 30, 2011, or in the days following?
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clue
Lead #3Were there any signs of distress or foul play associated with the boat or Cohen's departure?
Mark Alan Cohen, a 55-year-old white male, went missing on May 30, 2011, from Palm Beach Gardens, Florida, after reportedly leaving in his boat. Despite initial investigation by the Palm Beach County Sheriff's Office, his current whereabouts remain unknown. Anyone with information about Cohen's disappearance or his boat is urged to contact authorities.
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Official wording
Source Narrative
NamUs case MP13948. Missing person: Mark Alan Cohen.
Last known contact: 2011-05-30 in Palm Beach Gardens, Palm Beach, FL. Circumstances: Cohen is believed to have left in his boat.
Demographics: 55 years, Male, White / Caucasian. Physical description: 5 ft 8 in, 200 lbs, hair: Brown, eyes: Hazel.
Clothing and accessories: Clothing: Unknown color polo shirt, blue jean shorts. Investigating agency: Palm Beach County Sheriff's Office | 11-080119 | 2011-05-30.
Timeline of Events
👤
2011-05-30
Last Known Contact
Mark Alan Cohen last known contact in Palm Beach Gardens, FL. He is believed to have left in his boat.
Key Locations
Interactive map showing important locations related to this case
Case Information
Incident:May 30, 2011
Last Updated:August 20, 2026
Have Information?
Any information, no matter how small, could be crucial to solving this case.
Phone: 5616883000
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Case Information
Incident:May 30, 2011
Last Updated:August 20, 2026
Have Information?
Any information, no matter how small, could be crucial to solving this case.
Phone: 5616883000
You can remain anonymous