NO, Bonaire (Dutch public entity in the Caribbean, ABC islands with Aruba and Curaçao) is outside the EU — although linked to Netherlands, considered special municipality and not European department. The Alosea Bonaire eSIM is essential for divers (Bonaire has been consecrated best Caribbean diving destination for decades consecutively by Scuba Diving Magazine — Marine Park, shore diving from west coast) or kitesurfing (Lac Bay). You connect to Telbo or Digicel Bonaire upon landing at Kralendijk Flamingo (BON).