Onward Tickets from Saint Martin to Houston

Do I need an onward ticket to enter Sint Maarten?

Upon arrival in St. Maarten a tourist must present:

• A passport that is valid upon entry and for the duration of stay;
  • If the tourist holds a passport from a visa required country (see list on page 4), he/she must have a valid visa sticker in said passport and passport must be valid for 3 months after intended stay
• A completed and signed Embarkation and Disembarkation card (ED-card);
• A valid return- or onward ticket;