Emergency companies have been referred to as to St Kilda seaside simply after 7.30pm following studies of individuals preventing.
One man was discovered with stab wounds on the seaside close to Pier Highway.
The 18-year-old man from Tarneit was taken to hospital however has since died.
Police are investigating his loss of life.
Anyone with data is urged to contact Crime Stoppers on 1800 333 000.