To 16 ports; the busiest crossings are to Raroia (10 hours, 11 times a year), Takume (20 hours, 11 times a year), Hikueru (34 hours, 11 times a year), Marokau (2½ days, 11 times a year), Amanu (3½ days, 11 times a year), Hao (4½ days, 11 times a year), Nukutavake (6 days, 11 times a year) and Tureia (6½ days, 11 times a year).