Absolutely, positively T&C is far better than StMaarten in my opinion. StMaarten has horrendous traffic problems, is very touristy and has a bit of a crime problem. it does have some good beaches, but none that come close to Grace Bay on Provo. Provo is very sleepy ... The main thing to do is hit the beach or engage in watersports.
Collectively, the two territories are known as "St-Martin / StMaarten". Sometimes SXM, the IATA identifier for Princess Juliana International Airport (the island's ...Princess Juliana International - Collectivity of Saint Martin - List of divided islands