More than two dozen Cuban migrants made landfall in the Florida Keys in what authorities described as a "rustic" boat.
The 29 migrants made landfall near Marathon, U.S. Border Patrol Miami Chief Patrol Agent Walter Slosar said.
Slosar tweeted images of the bright blue vessel and its engine.
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The migrants were taken into custody, Slosar said.
The incident comes just days after a group of about 300 migrants on an overloaded boat arrived in the Keys, with 163 of them swimming to shore.