Cannes Yachting Festival Debut For Sirena 68 The Sirena 68 is the newest model on the water from Sirena Yachts and this vessel is going to be making its debut shortly at the Cannes Yachting Festival in September. With a hull design by Frers the yacht enjoys range-extending displacement speeds. The interior is available in a number of schemes which the owner can choose from. In fact below you will see at least two different looks of spaces onboard the Sirena 68. There is the Light inspiration design, Serenity design and Dark Elegance design.