Tue, 04/30/2024 - 09:25 Tech Insider Travel Castro said cabins for its upcoming winter itineraries in the Caribbean are "off to a very healthy start" and are being booked earlier than usual. Its upcoming Kaia is shown in a render.Scenic Group Tags Travel, Transportation, emerald-cruises, luxury-cruise, wealth-news, Yacht Source An ultra-luxury cruise line wants to attract wealthy Americans with its all-inc…