OSM tag loc_name=Tree Island matches Tree Island Park in these Wikidata fields:
Marine parks of Canada | leisure=park, landuse=recreation_ground, leisure=common, boundary=national_park |
Provincial parks of British Columbia | leisure=park, landuse=recreation_ground, leisure=common, boundary=national_park |
Provincial Parks of the Gulf Islands | place=islet, place=island, boundary=national_park, leisure=park, landuse=recreation_ground, boundary=administrative, leisure=common, admin_level |