Luxury cruise line SeaDream (seadream.com) has Asia cruises for diving and snorkelling in Komodo Island’s National Park. And one of the hottest trends right now is cruise and safari. Spend a few days in Namibia or Kenya and join a game drive before heading off for your cruise. Fred. Olsen, Voyages to Antiquity, Cunard, MSC and P&O all offer cruises to Africa.