Norwegian Cruise Line (NCL) president David Herrera has hinted that further private islands might join the line’s current offerings in the future. The American cruise line—the fourth-largest in the world by passengers—currently offers trips to the islands of Great Stirrup Cay, Bahamas, and Harvest Caye, Belize, exclusively to its passengers. 

During a webcast interview with Travel Weekly, Herrera discussed makeover plans for Great Stirrup Cay and was asked about the potential for…