This is because both Puerto Rico and the Virgin Islands were unincorporated territories of the United States with the U.S president as head of State. There was no need to patrol Puerto Rico and the Virgin Islands as the U.S blockade was against Cuba, not against the two U.S territories.
I believe it is Bayou St. John
Haiti, Dominican republic, the Bahamas, Puerto Rico, and Jamaica
Describe the right of the people on the United states