The Rotary Club of Applecross hosted a free barbecue event and Neighbourhood Watch and the Police were on hand with some simple safety tips for the community.
A fairy, pirate, balloon creators and clay makers also ran activities for the children.
The park, which was once a water treatment site, has been revamped into a community open space with new grass, paths, chairs and a water fountain.
The City of Melville bought the old Water Corporation site at 74 Ogilvie Road for $3.3 million in March, 2012. It has since spent $245,000 on upgrading the area.
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READ NOWLocal resident Graham James said his next plan was to install a playground and barbecue in the park.
He has submitted three applications through Project Robin Hood, which is now up to the community to vote on what projects will receive funding.