Owner of a piece of land

Where can I find out who owns a piece of land?

Curacao at Kadaster : Openbare Registers Curacao.

Bonaire at Kadaster : http://www.kadorbonaire.com/

Aruba at Dienst Landmeetkunde : https://www.gobierno.aw/home-pap/departamento_47024/item/dienst-landmeetkunde-en-vastgoedregistratie-kadaster-hypothecaire-en-kadastrale-boekhouding_13148.html

Sint Maarten at Kadaster SXM : http://www.kadastersxm.com/index-slider.html