Firefighters responded to the blaze at Norwalk Cove Marina, located at 48 Calf Pasture Beach Road, at about 3:10 p.m. on Friday, July 29, according to the Norwalk Fire Department.
Officials said a cabin cruiser-style recreational boat had heavy fire at the rear.
The fire started in the engine compartment and extended onto the main deck, authorities reported.
A male victim, whose age was not released, was taken to a hospital for treatment of burns, the fire department said.
Norwalk Fire said the blaze was placed under control in 12 minutes.
Click here to follow Daily Voice Wilton and receive free news updates.