By plane
Cubana de Aviación, from La Habana.The prices are going to change in 2007-01/02, increasing from 20' pesos to 90 something. Reservations are imperative, with at least 5 days in advance.Note: most Internet sources are outdated, Aerotaxi doesn't fly to Isla de la Juventud anymore.
By ship
Bus from Ciudad de La Habana Estación Central de Ãmnibus to Batabanó Habana province, south of the capital: 5 CUP for everybody Astro bus. Go to the small ticket office of the NCC company hard to find, better ask where it is in the Estación Central de Ãmnibus. You get a reservation for Batabanó if you pay in CUC, you'll have reserved places so you this reservation is a guarantee to leave plus a ticket for a right to go on the bus you pay inside. I'm not sure about the bus leaving hours, but they seem to be in the morning 09:00-12:00?.
The boat "Kometa" catamaran costs 50 pesos per person 25 for children of less than 12 years of age:
50 CUC for foreigners
50 CUP for locals.
No reservations needed to go to the island. Best to buy a ticket with one day in advance for the return or you'll have to wake up at 5 A.M. to leave at 12 A.M.. 1 to 2 boats daily, excepts on Sundays.The trip isn't a experience per se modern, long, highly cooled air, can't go on deck....No bicycle can be brought on the island. Knifes and the such must be checked in free, secure and minimal loss of time.