Waiheke Island is a localadmin and its consensus geometry is derived from whosonfirst.
{"geom:latitude":-36.795983,"wof:coterminous":[101916761],"wof:name":"Waiheke Island","counts:names_total":1,"wof:lang_x_spoken":["eng","mri"],"mz:is_current":1,"wof:hierarchy":[{"continent_id":102191583,"country_id":85633345,"county_id":102079403,"localadmin_id":1729238441,"region_id":85687243}],"label:fra_x_preferred_placetype":["autorité territoriale"],"mz:min_zoom":9,"lbl:latitude":-36.795252,"lbl:min_zoom":11,"geom:area":0.009343,"label:eng_x_preferred_placetype":["territorial authority district"],"geom:type":"Polygon","wof:lastmodified":1695878935,"wof:belongsto":[102191583,85633345,85687243,102079403],"mps:latitude":-36.795252,"wof:repo":"whosonfirst-data-admin-nz","wof:country":"NZ","counts:names_preferred":1,"geom:area_square_m":9.2510852425467E7,"counts:names_variant":0,"wof:breaches":[],"edtf:inception":"uuuu","iso:country":"NZ","geom:bbox":"174.9815,-36.848275,175.202979,-36.737837","name:eng_x_preferred":["Waiheke Island"],"src:lbl_centroid":"mapshaper","wof:superseded_by":[],"wof:geomhash":"916112e272d121452f0e94fd73becd11","wof:placetype_id":404221409,"mz:is_ceased":0,"wof:created":1600724603,"lbl:max_zoom":13,"wof:placetype":"localadmin","mz:is_deprecated":0,"geom:longitude":175.103182,"wof:id":1729238441,"src:geom":"whosonfirst","wof:tags":[],"src:geom_via":"nz-linz","counts:names_languages":1,"wof:lang_x_official":["eng","mri"],"mps:longitude":175.129073,"wof:supersedes":[],"lbl:longitude":175.129073,"wof:parent_id":102079403,"wof:placetype_names":["localadmin"],"mz:hierarchy_label":1,"edtf:cessation":"uuuu"}