Playfield Finder allows you to find any public play field anywhere. Just search the map for the places youre interested in; be it a playground, a soccer field, tennis courts, baseball pitch, or whatever sport/activity youre interest in.
--> Search for play fields anywhere in the world
--> Filter results to show only specific types of play fields (e.g. only show tennis courts)
--> Get a detailed area view of parks with multiple sport/activity amenities