Saint Lucia is about 41 times smaller than Maryland.

Maryland is approximately 25,314 sq km, while Saint Lucia is approximately 616 sq km, making Saint Lucia 2.43% the size of Maryland. Meanwhile, the population of Maryland is ~5.8 million people (5.6 million fewer people live in Saint Lucia).
Tip: This to-scale comparison of Maryland vs. Saint Lucia uses the Mercator projection, which distorts the size of regions near the poles.