The announcement brings Royal Caribbean's Cuba voyage count to 11, inaugurated by a five-night sailing from PortMiami on April 19 that includes a stop in Havana and Puerto Costa Maya in Mexico.
A Royal Caribbean spokeswoman confirmed to Seatrade Cruise News that Cuba had authorized the additional deployment.
The Miami-based line added eight sailings on Friday for voyages from Tampa through November 4, the latest dates of any USA cruise line.
Empress of the Seas will offer guests an expanded Cuba experience with overnight calls in Havana.
During the day, guests will have access to driving and walking tours of Havana, the latter taking place in a classic American auto. For those intrigued by literary greats, an excursion will take them to novelist Ernest Hemingway's favorite haunts.
In the evenings, travelers will have the chance to see the nighttime side of Cuba. From visiting the famous Tropicana Club to enjoying a performance by the Buena Vista Social Club or witnessing the family friendly ceremonial cannon firing at El Cañonazo, guests can enjoy the sights and sounds of Cuba after dark.
The Cuban culture will extend onboard the ship, too.