The Sweetheart Package is not to be combined with any other package offer, sale, or shipboard credits. Guests who want to take advantage of the Sweetheart Package should mention it when booking their cruise. Windstar is recognized as the most romantic cruise line by a number of big names in the travel industry, including Porthole Cruise Magazine, and they operate three luxury yachts that seek out hidden harbors and coves in some of the most popular destinations in the world.