As a history buff, I always like to learn a little something about the places I visit, and their distinctive cultures.
This Museum contains many island specific artifacts, pictures, and documents.
It is upstairs from their gift shop. If you are interested in learning about St. Martin / Sint Maarten, stop by for a visit. It was an educational experience...
Hopefully the info we were given at the tourist info office was wrong or subject to change as we were keen to visit the museum. There is a nice one in Phillipsburg as an alternative, free but accepts donations.