The person at the center of this case
Sean Cone
Missing Person · Open
19 years waiting · since 2007
Missing Person: Sean Cone
Justice for Sean Cone — the trail went cold in 2007, but the truth hasn't.
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Key leads to think about
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evidence
Lead #1Why did the boat become flooded and sink despite being loaded with fuel and ice? Were there mechanical failures or structural issues?
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person
Lead #2What was the condition and fate of Daniel Miller, the other crew member aboard the Lady Luck?
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witness
Lead #3Were there any other vessels or witnesses in the area who observed the boat or the incident?
Sean Cone, a 24-year-old male, went missing on January 30, 2007, while operating his fishing boat "Lady Luck" approximately 30 miles off the coast of Portland, Maine, with fellow crew member Daniel Miller. The vessel was later discovered at a depth of 500 feet, and the U.S. Coast Guard suspected the boat became flooded and sank. The circumstances surrounding the sinking and the fates of both men remain unclear, making this case a significant maritime mystery that warrants continued investigation and public awareness.
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More leads to consider
Beyond the top three above — each detail below could be the thread that pulls this case open.
💡
clue
Lead #4What was the exact cause of the flooding and sinking determined by the Coast Guard investigation?
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Official wording
Source Narrative
NamUs case MP56350. Missing person: Sean Cone.
Last known contact: 2007-01-30 in Portland, Cumberland, ME. Circumstances: Sean was out on his boat, Lady Luck with Daniel Miller (MP56376).
They were about 30 miles off the coast of Portland. The boat was found at a depth of 500 feet.
The boat had been loaded with 1,000 gallons of fuel and 8 tons of ice. The Coast Guard suspected the boat became flooded and sank.
Demographics: 24 years, Male, White / Caucasian. Physical description: 5 ft 9 in, 160 lbs, hair: Sandy, eyes: Blue.
Investigating agency: United States Coast Guard | 336459 | 2007-01-30.
Timeline of Events
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2007-01-30
Sean Cone goes missing at sea
Sean Cone and Daniel Miller were operating the fishing boat Lady Luck approximately 30 miles off the coast of Portland, Maine. The boat was loaded with 1,000 gallons of fuel and 8 tons of ice.
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2007-01-30
Boat discovered at depth
The Lady Luck was found at a depth of 500 feet. The U.S. Coast Guard suspected the boat became flooded and sank.
Key Locations
Interactive map showing important locations related to this case
Case Information
Incident:January 30, 2007
Last Updated:July 13, 2026
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Phone: 2077670320
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Case Information
Incident:January 30, 2007
Last Updated:July 13, 2026
Have Information?
Any information, no matter how small, could be crucial to solving this case.
Phone: 2077670320
You can remain anonymous