The alleged sexual assault occurred between 8.30pm and 11pm on Saturday, in a rest room block.
A 14-year-old boy was arrested, assisted with inquiries, and was then launched pending additional investigation.
Police mentioned the offender was identified to her.
Intercourse crime squad detectives yesterday combed the bathroom block the place the alleged assault is claimed to have taken place.
At this time the Rottnest Island Authority reassured individuals on the in style vacation vacation spot it was a secure place to be.
“There may be an elevated presences of rangers, safety and police to cater for the elevated customer numbers,” the authority mentioned.
West Australian Premier Roger Prepare dinner echoed the sentiment.
“Rottnest stays a secure place to vacation – it is one of many nice, iconic household locations for the Christmas holidays and I hope all households really feel like they’ll go there,” he mentioned.
Anybody with info regarding this incident is requested to name Crime Stoppers on 1800 333 000.
