Only two cases were reported with arrests made and Manus Provincial Police Commander David Yapu thanked the people of Manus for a peaceful celebration in the Province.
An infanticide case was reported in Lorengau over the long weekend.
A male infant was found floating at sea between 6 and 8 am on Easter Monday, at ward 3, near the council center in Lorengau town.
Provincial Police Commander Chief inspector David Yapu said Police retrieved the dead infant who is now at the Morgue.
Police are appealing to the community in the area and the General public to come forward and provide information of woman who was pregnant and likely to have given birth to a child.
Meantime a man from Matalau in the East New Britain province has been arrested and charged for sexual assault and Abuse of trust.
The step father of the 13 year old victim, allegedly abused the victim between January and March this year.
His case will go before the Lorengau District Court this week.