For a limited time, book select categories and 3rd and 4th Guests Sail Free when booked as the third and fourth guests in the same stateroom, giving you extra savings on top of unforgettable adventures.

*Discount is automatically included in the price of the cruise.

Offer Terms: Free 3rd & 4th Guests applies to new, individual, and named group bookings at prevailing rates made between July 3, 2026 and August 3, 2026, on select sailings departing between July 4, 2026 and August 20, 2027. Eligible bookings receive a $0 cruise fare for the third and fourth guests sharing the same stateroom as the first and second full-fare paying guests. Taxes, fees, and port expenses are additional and apply to all guests. Free 3rd & 4th Guests excludes all sailings departing on or during the following dates: May 21 through August 25, 2026, excluding Harmony of the Seas sailing on July 26, 2026; Alaska Cruisetour sailings departing May 15 through September 11, 2026; November 19 through November 27, 2026; December 17, 2026 through January 4, 2027; Navigator of the Seas sailings departing November 29, 2026, December 3, 2026, and December 10, 2026; Chinese New Year sailings February 4 through February 8, 2027; March 5 through April 4, 2027; May 28 through August 20, 2027; and Alaska Cruisetour sailings departing May 14 through September 17, 2027. Combinability: BOGO60, Kids Sail Free, and Free 3rd & 4th Guests are combinable with each other, as well as promotional onboard credits (OBC), NextCruise offers, instant savings, restricted discounts (such as Senior, Resident, and Military), promo code offers, Free Upgrades, and Shareholder Benefits. BOGO60, Kids Sail Free, and Free 3rd & 4th Guests are also combinable with Crown & Anchor discounts. These offers are not combinable with any other offer or promotion, including but not limited to Ultimate World Cruise, Standard Group, Interline, Travel Agent, Travel Agent Friends and Family, Weekly Sales Events, and Net Rates. General Terms: Any instant savings shown in USD will be converted to the currency used for the cruise purchase and applied as an instant rebate to the cruise fare at checkout, reflected as "Dollars Off" or "Savings." All other charges, including taxes, fees, and port expenses, where not included in the displayed fare, are additional and apply to all guests. Changes to the booking may result in the removal of the offer. Individual reservations may be transferred into an existing group, provided all applicable criteria are met. Full deposit is required at the time of transfer. Failure to apply the required deposit may result in cancellation of the booking. Single occupancy guests paying 200% of the cruise fare are eligible for the full promotional value. Guests paying less than 200% of the cruise fare receive a prorated benefit. Offers are available to residents of the United States, Canada, Puerto Rico, and select countries in the Caribbean. Offers are capacity controlled, subject to availability, may change without notice, and may be withdrawn at any time. Royal Caribbean International reserves the right to correct any errors, inaccuracies, or omissions and to modify fares, fees, and surcharges without prior notice. Promotions, including discounts and savings, are automatically applied to the cruise fare and are valid for new bookings only. Modifying an existing booking with an active promotion may result in the loss of the offer. Promotions are not applicable to special fares such as group rates, military discounts, and similar offers.