Royal Caribbean International is extending its limited-time “Kids Sail Free” offer to its Baltimore-based ship, Grandeur of the Seas.

From March 15 through March 31, 2014, vacationers in the Greater Maryland Area and beyond can enjoy complimentary cruise fare for third and fourth guests of all ages in any triple- or quad-occupancy staterooms onboard Grandeur of the Seas, as well as a 50 percent-reduced deposit. The offer is valid for all new individual U.S. and Canadian bookings and named group bookings made on sailings departing between May 2 and Dec. 9, 2014, while supplies last. For more details, please visit www.RoyalCaribbean.com/GrandeurKids.