A vessel was found unoccupied, resulting in no injuries, according to a spokesperson, around 12:10 a.m.
The boat sank, but pollution risk was mitigated with containment barriers in place, as stated by the same source.
Nearby boats were moved away from the scene of the fire.
The causes of the incident remain unknown.
The alarm was raised at 10:17 p.m., as reported by Lisbon’s Civil Protection Sub-Regional Command to Lusa.
Cascais Marina is a tourist attraction, also serving as a center for nautical activities and is surrounded by restaurants.
