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Sixteen satellite-tagged adult male loggerhead sea turtles ( Caretta caretta) dispersed widely from an aggregation near Port Canaveral, Florida, USA (28°23′N, −80°32′W) after breeding. Northbound males migrated further (990 ± 303 km) than southbound males (577 ± 168 km) and transited more rapidly (median initial dive duration = 6 (IQR = 4-16) versus 19 (IQR = 10-31) min, respectively).. Migration occurred along a depth corridor (20-40 m) except where constricted by a narrow continental shelf width. Males foraged in areas 27 ± 41 km day at locations <1-80 km from shore for 100.1 ± 60.6 days, with variability in foraging patterns not explained by turtle size or geography. Post-breeding dispersal patterns were similar to patterns reported for adult female loggerhead sea turtles in this region and adult male loggerhead sea turtles elsewhere in the northern hemisphere; however, foraging ground distributions were most similar to adult female loggerhead sea turtles in this region. [ABSTRACT FROM AUTHOR]