Radiance family, with environmentally-friendly gas turbine engines, includes Brilliance of the Seas, Jewel of the Seas, Radiance of the Seas, and Serenade of the Seas.
Vision family, the most well-traveled, includes Enchantment Of The Seas, Grandeur of the Seas, Legend of the Seas, Rhapsody of the Seas, Splendour of the Seas, and Vision of the Seas.
RoyalCaribbean International is a brand of RoyalCaribbean Cruises Ltd. It is a global cruise vacation company with 19 cruise ships in service and one more under construction.
RoyalCaribbean Cruises Ltd. also operates Celebrity Cruises.
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RoyalCaribbean purchased Celebrity Cruises in 1997, a premium line to appeal to an upscale audience, for a total fleet of 25 ships and a capacity of more than 40,000 berths.
One nice touch: RoyalCaribbean does not layer on a lot of extra fees for equipment "rental" -- there is no charge for using everything from ice skates (you can choose between hockey and figure models) to roller blades.
RoyalCaribbean typically appeals to couples and singles in their 30's to 50's as well as families of all ages.