From Larnaca International Airport
There are several transportation ways from Larnaca International Airport to Limassol Boat Show like, bus, taxi, or by rented car. Limassol Airport Express BUS, runs 24/7 and costs €9 per person. Please visit Limassol Airport Express Bus website to get more information from here
Your second option is to take an airport TAXI. Larnaca airport taxis use a taximeter, so the cost will depend on the distance to your final destination, the estimated cost is around 50€. There are several rental car companies at the airport.