The Falmouth Coastguard Rescue Team were called out to a yacht near the Pandora Inn on Saturday after a report of a man found dead onboard.
The team was tasked to assist ambulance personnel after police completed their investigations on board due to the challenging cramped situation of the yacht, down some ladders and a homemade jetty.
The team also helped police in securing the vessel.
The man was later pronounced deceased.
A neighbour had discovered him while checking on his welfare, as he hadn't seem him out and about as usual that day.
A spokesman said: "Our thoughts are with the family and friends of the deceased at this sad time.
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