Currency in Saint-Martin (French part) euro (EUR €). For 10 US dollars you can get 9.48 euros. For 100 US dollars you can get 94.8 euros. And the other way around: For 10 euros you can get 10.5 US dollars.
If you're planning a trip to a specific region of the world, might it be cheaper than in Saint-Martin (French part)? Check out prices in nearby countries: Anguilla, Saint Barthélemy, Saint Kitts and Nevis, Antigua and Barbuda, and British Virgin Islands.