In IRC Zero, the 182ft schooner Adela, skippered by Greg Perkins is the largest yacht taking part and making a RORC Caribbean 600 debut is Anders Nordquist's Shamanna. The 115ft superyacht is the largest of nine Swans competing this year and boasts a crew including many of Malta's best sailors from the Calascione, Podesta and Ripard families. RORC Admiral and IMA Secretary General, Andrew McIrvine has chartered Grant Gordon's Maxi cruiser 72, Louise. Overall winner of the 2017 Cape to Rio Race, Stefan Jentzsch's German Carkeek 47, Black Pearl is the smallest yacht in IRC Zero. South African America's Cup sailors, Mark Sadler and Marc Lagesse form the afterguard.