MIAMI (CBS4) – Miami fire investigators are trying to figure out what sparked a fire in an expensive fishing boat overnight.

The fire reportedly broke out around 11:30 p.m. on a 40-foot open fisherman docked at NW 18th Avenue and NW South River Drive.

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Miami firefighters used foam to spray down the boat and had it out just before midnight; the boat is a total loss.

Flames from the fire damaged a nearby boat, but it is still operational.

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Investigators have not said if anyone was on the boat when the fire broke out.