A TRANSPORT and Main Roads marine officer has spotted a crocodile swimming around the Casaurina Creek in the northern part of Gladstone. 

A departmental spokesperson said the spotting comes as a reminder for residents to be vigilant around water. 

"Boaties should always keep a proper lookout on the water," they said.

Members of the public are urged to report all crocodile sightings as soon as possible to DES on 1300130372.