Two men have escaped injury after their boat caught fire at a marina on the Gold Coast.
The pair had just finished refuelling the fibreglass vessel when it exploded into flames about 4pm.
Video from the scene showed vast plumes of black smoke billowing from the boat.
Neither man was injured in the fire, Queensland Ambulance told 9NEWS.
Police are treating the blaze as suspicious and investigations are ongoing.
Anyone with information is urged to contact Crime Stoppers on 1800 333 000.