Massachusetts is about 373 times bigger than Saint Martin.

Saint Martin is approximately 54 sq km, while Massachusetts is approximately 20,306 sq km, making Massachusetts 37,227% larger than Saint Martin. Meanwhile, the population of Saint Martin is ~32,792 people (6.5 million more people live in Massachusetts).
Tip: This to-scale comparison of Saint Martin vs. Massachusetts uses the Mercator projection, which distorts the size of regions near the poles.