Quarantine Requirement- Unknown where. *Fully vaccinated travellers do not need to quarantine. Information is available on the website of the government of St. Eustatius. Entry to St Eustatius if you’re not fully vaccinated: If you’re not fully vaccinated you need to present a negative PCR test result taken not more than 48 hours before departure. In addition, you will have to go into mandatory quarantine for 7 days with an exit test on day 7. The quarantine applies to travellers of all ages. The test does not apply to travellers aged 10 years and under. If parents and guardians travel with unvaccinated children of 5 to 17 years, they must go into quarantine for 5 days with their children, even if they are vaccinated.