As far as I know there are no ferries - you can cruise from Limassol to the Greek islands but you have to return to Limassol as it is a cruise not a ferry.
This web site may help.
Tourists can travel from the South to the North of Cyprus by roadEdited: 14 October 2013, 15:48
You can also cross into the north on foot if you go through the checkpoint on Ledra Street (the main pedestrianised shopping area of Nicosia). You will need your passport.
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