According to the police, there were three individuals present in the helicopter when it plunged into the water roughly 30 meters away from the rocks at Point Lonsdale, shortly after 10am.
All three people managed to make it to shore, where they were located by a passerby who called triple zero.
A male and female have been airlifted to hospital with serious injuries.
Another male has been taken by ambulance to hospital with serious injuries.
Wreckage from the helicopter is scattered in waters close to the shore.
The circumstances surrounding the crash are unclear at this time.
The Australian Transport Safety Bureau will investigate the crash with assistance from police.
Anyone who witnessed the incident, has CCTV/dashcam footage or information is urged to contact Crime Stoppers.
